NCERT (Physics) Class-VIII
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| PhysicsDate Added: 2022-05-20 Which of the following is/are true about force? 1. It is a push or pull. 2. It is denoted F. 3. Its SI unit is newton. Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-20 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: 2022-05-20 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: 2022-05-20 Which of the following is/are not the effect of force? | ||
| PhysicsDate Added: 2022-05-20 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: 2022-05-20 Which of the following statement 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: 2022-05-20 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: 2022-05-20 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: 2022-05-20 Which of the following is/ are correctly matched? 1. Static friction-------------self adjusting force 2. Sliding friction----------- less than limit friction 3. Rolling friction------------greater than sliding friction Choose the correct option from the codes given below: | ||
| PhysicsDate Added: 2022-05-20 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: 2022-05-20 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: | ||