Physics questions
20027 published questions with worked solutions.
- Consider the two statements given below : Statement-1 : Infrared waves are also called heat waves. Statement-2 : Water molecules...
- A microscope may be a combination of :
- Which of the following statements with regard to the phenomenon of the primary rainbow formation by water droplets is/are correct...
- A block of mass 2 kg, moving with the initial speed of 3 m/s comes to rest on a rough horizontal surface after travelling a...
- Which one of the following is primarily responsible for conduction of current in a metal ?
- Two resistances of 5·0 Ω and 7·0 Ω are connected in series and the combination is connected in parallel with a resistance of 36·0...
- An astronaut whose weight on the Earth is 600 N experiences weightlessness on International Space Station orbiting around the...
- Which of the following statements give characteristics of contact forces ? 1. It appears between an object when it is in contact...
- A point object is placed at the centre of curvature of a spherical concave mirror. Which one among the following would be the...
- A vehicle starts moving along a straight line path from rest. In first t seconds it moves with an acceleration of 2 m/s ^2 and...
- An incandescent electric bulb converts 20% of its power consumption into light, and the remaining power is dissipated as heat....
- Which one of the following statements best defines the concept of heat ?
- A car weighs 1000 kg. It is moving with a uniform velocity of 72 km/h towards a straight road. The driver suddenly presses the...
- There is a ball of mass 320 g. It has 625 J potential energy when released freely from a height. The speed with which it will hit...
- Which one among the following is the correct focal length of a combination of lenses of power 2·5 D and –2·0 D ?
- A block of mass 2·0 kg slides on a rough horizontal plane surface. Let the speed of the block at a particular instant is 10 m/s....
- Given below are the four cases in which certain heat transfer is taking place : 1. Ice is melting in a glass full of water 2....
- Match List I with List II and select the answer using the code given below the Lists : List I (Physical Quantity) A. Temperature...
- An object is placed between infinity and the pole (P) of a convex mirror. The position of the image is
- The work done in moving a charge of 2 coulomb (C) from point A to point B is 24 J. What is the potential difference between A and...