NCERT (Physics) Class-VI
Playlist: -
| PhysicsDate Added: 2022-05-19 Consider the following statements about motion (i) Motion is observed when its position changes with time. (ii) If an object moves very slowly then its movement can be observed easily. (iii) Rectilinear motion takes place in a fixed direction. Which of the above statements is/are correct? | ||
| PhysicsDate Added: 2022-05-19 Rotation of the Earth is an example of | ||
| PhysicsDate Added: 2022-05-19 The communication satellite station is in an Orbit high above the Earth. Which of the following will not be exhibited by this communication satellite? (i) Rotational motion (ii) Periodic motion (iii) Circular motion (iv) Rectilinear motion Which of the above statements is/are correct? | ||
| PhysicsDate Added: 2022-05-19 Which of the following precautions should be taken while using a scale? (i) Scale should be placed parallel to the object. (ii) The eye should not be placed vertical while reading. | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about a Luminous object: (i) It is an object which does not give its own light. (ii) They act as the sources of light. Which of the above statements is/are correct? | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about transparent objects : (i) They allow all the light to pass through them. (ii) Glass, polythene, air, water and butter paper are examples of transparent objects. Which of the following statements is/are correct? | ||
| PhysicsDate Added: 2022-05-19 The intensity of Darkness of Shadows formed by different materials– | ||
| PhysicsDate Added: 2022-05-19 Consider the following statement: (i) Source of light (ii) Translucent object (iii) Opaque object (iv) A screen The things required to observe a shadow are: | ||
| PhysicsDate Added: 2022-05-19 The characteristics of a shadow are: 1. It is virtual and erect. 2. The image is of the same colour. 3. The shadow can be smaller, equal or bigger than the object. 4. It is erect. Which of the above are correct? | ||
| PhysicsDate Added: 2022-05-19 Which of the following is not a characteristic of a virtual image formed in a plane mirror? | ||
| PhysicsDate Added: 2022-05-19 Which of the following will produce diffuse reflection of light? 1. Plane mirror 2. Piece of paper 3. Still water in lake 4. Leather bag | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about a cell: (i) It is also known as dry cell. (ii) lt produces an electricity of 2V. Which of the above statements is/are correct? | ||
| PhysicsDate Added: 2022-05-19 Which of the following types of energy can be converted easily into mechanical energy, sound energy, heat energy and light energy? | ||
| PhysicsDate Added: 2022-05-19 When electricity passes through a bulb, it gives off: 1. Sound 2. Light 3. Electricity 4. Heat | ||
| PhysicsDate Added: 2022-05-19 The filament of an electric bulb is made up of a thin wire of: | ||
| PhysicsDate Added: 2022-05-19 The cells/ batteries which can be recharged are usually those in: 1. Electric clocks 2. Mobile phones 3. Cameras 4. TV remote Choose the correct option: | ||
| PhysicsDate Added: 2022-05-19 Consider the statements about magnetic materials: 1. These are not attracted by magnet. 2. They can be converted into magnets. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 The precaution in handling magnets is/are : 1. We should hit a magnet with a hammer. 2. We should store magnets properly. Choose the correct option: | ||
| PhysicsDate Added: 2022-05-19 Electromagnet is a: | ||
| PhysicsDate Added: 2022-05-19 A magnet is made of: 1. Steel 2. Copper 3. Aluminium 4. Iron Choose the correct option: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct about heat? 1. It causes the sensation of hotness and coldness. 2. When a body is heated, its energy decreases. 3. S.I. unit is Joule. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct about laboratory thermometer? 1. Size is larger than clinical thermometer. 2. Range is 35-42 degree Celsius. 3. It is cylindrical in shape. 4. It has straight capillary. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Conduction----objects should be in direct contact. 2. Convention------heat is carried by actual movement of hot particles. 3. Radiation---------needs medium. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for Celsius scale? 1. It was designed by Anders Celsius. 2. It is a metric scale of temperature. 3. It is called laboratory thermometer. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for simple pendulum? 1. Huygens suggested that a pendulum can be used to regulate clocks 2. Rest position is also called mean position. 3. The maximum displacement from the mean position is called amplitude of the pendulum. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for uniform motion? 1. A body moving with constant speed. 2. The distance travelled is inversely proportional to time. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is not a use of graph? | ||
| PhysicsDate Added: 2022-05-19 Which of the following is not correctly matched? | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for electrical circuit? 1. It is a continuous path. 2. It can be open or closed. 3. When electrical contact is broken, it is called a closed circuit. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Heating effect of electric current--------production of heat in the resistor 2. Magnetic effect of electric current------hans Christian Oersted 3. Chemical Effect of electric current----------electric fuse Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for electric bell? 1. It is based on heating effect of electric current. 2. A U-shaped or horseshoe-shaped electromagnet is used. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Open circuit-------------no flow of current 2. Copper--------------------good conductor 3. Nichrome--------------heavy loads Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Ray of light---straight line 2. Beam of light----bundle of rays of light 3. Divergent-------rays coming closer Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Plane mirror-------highly polished surface. 2. Curved mirror-------reflecting surface is curved. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for reflection? 1. The ray of light which falls on the smooth polished surface is called the incident ray. 2. The ray of light which gets bounced off is reflected ray. 3. The angle of incidence is not equal to the angle of reflection. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/ are correct for a virtual image? 1. The rays of light actually meet at the point. 2. The image cannot be obtained on the screen Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is / are correct for a convex lens ? 1. It is thicker in the middle. 2. It always forms virtual and erect image. 3. It is a converging lens. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/ are correctly matched? 1. Oscillation---------movement of a body. 2. Amplitude---------maximum displacement from mean position. 3. frequency---------time period. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Sonic sound-------20-20000 Hz 2. Ultrasonic sound-------greater than 2000 Hz 3. Infrasonic sound--------less than 20 Hz Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following difference between noise and musical sound is correct?
| ||||||||||
| PhysicsDate Added: 2022-05-19 Which of the following is/are effects of noise pollution? 1. Hearing Loss 2. Fatigue 3. Low blood pressure Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/ are correct for electrolytic solution? 1. Electrolyte conducts electricity when dissolved in water. 2. Sodium chloride, sugar solution, sulphuric acid are electrolytic solution. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for conductors? 1. They allow flow of electricity. 2. Solution of weak electrolyte are good conductors. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is the correct order of the conductivity | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are the correct for LED? 1. It emits light only when weak current flows through it. 2. It is an electronic device. 3. The longer lead is positive. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Electrolyte--------------- conductor 2. Cation--------------------positive ion 3. Bakelite-----------------poor conductor Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are true about force ? 1. It is a push or pull. 2. It is denoted F. 3. It SI unit is newton. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is / are correct for contact forces? 1. There should be a contact between two objects. 2. Magnetic force is an example. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for electrostatic force? 1. It is between two charged bodies. 2. Electrostatic charge can be created. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is not the effect of force? | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is / are correct for pressure exerted by liquids? 1. It depends upon depth. 2. It depends upon the shape and size of the container. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for pressure exerted by air? 1. It is called atmospheric pressure. 2. It is measured by aneroid barometer. 3. It increases with altitude. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for friction? 1. It acts along two surfaces in contact. 2. It opposes motion. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 On which of the following factors does the force of friction depend upon: 1. Weight of the body 2. Nature of the surface 3. Area of the surfaces in contact Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Static friction-------------self-adjusting force 2. Sliding friction----------- less than limiting friction 3. Rolling friction------------greater than sliding friction Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are ways to increase friction? 1. Making the surfaces corrugated 2. Rubbing the hands with soap Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 On what factors does the friction over fluid depends upon? 1. It speeds with respect to the fluid. 2. Shape of the object. 3. Nature of the fluid. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for balanced forces? 1. It can set a stationary body into motion, 2. It cannot change the speed. 3. It may change the shape and size of a soft object. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. First law of motion-----resists a change in state of rest. 2. Second law of motion-------defines force. 3. Third law of motion----------resists a change in state of motion. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are not application/s of second law of motion? 1. Travelling in a motorcar. 2. Catching a fast moving cricket ball. 3. High jump athletic event. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Law of conservation of momentum is based on: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for centripetal force? 1. It keeps the body moving along the circular path. 2. The object flies off along a straight line. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for gravitational force? 1. All objects in the universe attract each other. 2. The force between two objects is directly proportional to the square of the distance between them. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following statements is/are correct for Kepler’s laws? 1. The orbit of a planet is an circle. 2. The cube of the mean distance of a planet from the Sun is proportional to the square of its orbital period. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are the applications of gravitational force? 1. The force that binds us to the earth; 2. The motion of the moon around the earth; 3. The motion of planets around the Sun Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for thrust and pressure? 1. The force acting on an object perpendicular to the surface is called thrust. 2. The thrust on unit area is called pressure. 3. SI unit of pressure is called pascal. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are conditions for work done? 1. A force should act on an object. 2. The object must cover distance. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for energy? 1. The energy possessed by an object is measured in terms of its capacity of doing work. 2. Its S.I. unit is kJ. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Kinetic energy----------motion 2. Potential energy--------position 3. Mechanical energy----------kinetic energy + heat energy Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for law of conservation of energy? 1. Energy can be converted from one form to another. 2. It can be created. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for power? 1. Power measures the speed of motion. 2. It was given by James Watt. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for sound? 1. It is a form of energy. 2. It does not need a medium to travel. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for waves? 1. It is a disturbance in the medium. 2. Sound waves are mechanical waves. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Longitudinal wave---------------direction of particles parallel to direction of propagation. 2. Transverse wave-----------------direction of particles perpendicular to direction of propagation. 3. Compression-----------------density is low. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are true for speed of sound? 1. The speed of sound in a medium is inversely proportional to the temperature of the medium. 2. The speed of sound decreases when we go from solid to gaseous state. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are uses of multiple reflection of sound? 1. Megaphones or loudhailers, horns 2. Stethoscope 3. Optical Fibre Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are true for ultrasound? 1. It is a low frequency sound. 2. It is used to detect flaws in metal block. 3. It is used to get image of internal organs. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for displacement? 1. It is the shortest distance between initial and final point. 2. Its S.I unit is metre. 3. It is a scalar quantity. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Speed------scalar 2. Velocity-----vector 3. Acceleration-----vector Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct for distance-time graphs? 1. Time is taken along the y-axis. 2. It determines the speed of an object. 3. It can also be plotted for accelerated motion. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about refraction of light : 1. The incident ray, refracted ray and the normal ray lie in the same plane 2. The angle of incidence is equal to angle of refraction. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following are correctly matched for the concave mirror ?
Choose the correct option from the codes given below: | ||||||||||||
| PhysicsDate Added: 2022-05-19 As light travels from a rarer to a denser medium it will have | ||
| PhysicsDate Added: 2022-05-19 The correct order of refractive index of various materials is : | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Cornea ---------transparent bulge on the front part. 2. Pupil ------------present behind cornea. 3. Iris----------controls the size of the pupil. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about myopia: 1. It is called far-sightedness. 2. It is due to excessive curvature of lens. 3. It is corrected using concave lens. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about dispersion by glass prism: 1. Splitting of light into its component colours is called dispersion. 2. Issac Newton was the first to observe dispersion. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are effects of atmospheric refraction? 1. Twinkling of stars. 2. Tyndall effect 3. Advance sunrise and delayed sunset Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about electric circuit : 1. It is the rate of flow of electric charges. 2. Its S.I unit is Ampere. 3. It is measured using Ammeter. | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Charge------------Coulomb 2. Potential Difference-----Volts 3. Resistivity-----------Ohm metre 4. Electrical energy--------Watt Hour Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about relationship between potential difference and current : 1. It was given by George Simon Ohm. 2. The potential difference is directly proportional to the current. 3. Its temperature remains the same or not. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 The correct order of resistivity is: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about magnetic field: 1. Magnetic field is a quantity that has magnitude but not direction. 2. The direction of the magnetic field is taken to be the direction in which a north pole of the compass needle moves inside it 3. The relative strength of the magnetic field is shown by the degree of closeness of the field lines. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Magnetic field around conductor-----right-hand thumb rule. 2. Force on current carrying conductor-----Fleming right hand rule. 3. Electric generator------- electromagnetic Induction. 4. Electric motor------ magnetic effect. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about solenoid: 1. A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder 2. The field lines inside the solenoid are in the form of parallel straight lines. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the statements about force on current carrying conductor: 1. It was given by Alexandra Volta. 2. It is determined by Fleming Left hand Rule. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Consider the following statements about good source of energy : 1. It would do a large amount of work per unit volume or mass. 2. It should be easily accessible Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct about wind energy? 1. It is an environment-friendly and efficient source of renewable energy. 2. The wind speed should also be higher than 25 km/h to maintain the required speed of the turbine. 3. It requires no recurring expenses for the production. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correct about solar cooker? 1. Solar cookers achieve a higher temperature by using mirrors to focus the rays of the Sun. 2. It works on the principle that a black surface absorbs more heat. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-19 Which of the following is/are correctly matched? 1. Tidal energy--------gravitational pull of moon 2. Wave energy--------potential energy of waves 3. Ocean Thermal energy------difference in temperature of water Choose the correct option from the codes given below: | ||