NCERT (Physics) Class-X
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| PhysicsDate Added: 2022-05-21 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 the angle of refraction. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-21 Which of the following are correctly matched for the concave mirror?
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| PhysicsDate Added: 2022-05-21 As light travels from a rarer to a denser medium it will have | ||
| PhysicsDate Added: 2022-05-21 The correct order of refractive index of various materials is : | ||
| PhysicsDate Added: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 Which of the following 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: 2022-05-21 Consider the following statements about electric current: 1. It is the rate of flow of electric charges. 2. Its S.I unit is Ampere. 3. It is measured using Ammeter. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-21 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: 2022-05-21 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: 2022-05-21 The correct order of resistivity is: | ||
| PhysicsDate Added: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: 2022-05-21 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: | ||