Physics questions
20027 published questions with worked solutions.
- Consider the following statements about a solenoid : 1. The magnetic field strength in a solenoid depends upon the number of...
- Light year is a unit of measurement of
- The focal length of the objective lens of a telescope is 50 cm. If the magnification of the telescope is 25, then the focal...
- Which one of the following forces is non-central and non-conservative ?
- Suppose there are two planets, 1 and 2, having the same density but their radii are R_1 and R_2 respectively, where R_1 > R_2....
- The Sun is seen little before it rises and for a short while after it sets. This is because of
- When a beam of white light passes through a glass prism, the colour of light beam that deviates the least is
- A thin disc and a thin ring, both have mass M and radius R. Both rotate about axes through their center of mass and are...
- Let there be an object having some chemicals in it. It starts moving with a uniform velocity v and a chemical reaction starts...
- In which of the following phenomena do heat waves travel along a straight line with the speed of light ?
- Which one of the following statements regarding Ohm's law is not correct ?
- If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that time
- A solid disc and a solid sphere have the same mass and same radius. Which one has the higher moment of inertia about its centre...
- "The sum of emfs and potential differences around a closed loop equals zero" is a consequence of
- A student measures certain lengths using a meter scale having least count equal to 1 mm. Which one of the following measurements...
- If the work done on the system or by the system is zero, which one of the following statements for a gas kept at a certain...
- Which one of the following statements regarding lenses is not correct ?
- 10 g of ice at –10°C is mixed with 10 g of water at 0°C. The amount of heat required to raise the temperature of mixture to 10°C...
- Water is heated with a coil of resistance R connected to domestic supply. The rise of temperature of water will depend on 1....
- A pendulum clock is lifted to a height where the gravitational acceleration has a certain value g. Another pendulum clock of same...