Physics questions
20027 published questions with worked solutions.
- The potential difference between the two end terminals of an electric heater is 220 V and the current through it is 0·5 A. What...
- The heating element in an electric iron is usually made of
- Sita, 1·5 m high, stands before a plane mirror fixed on a wall to view her full image. What should be the minimum height of the...
- Ms. Rani decides to convert her AC generator into a DC generator. Which one of the following she would need to use ?
- Which of the following statements are correct about the electrical resistance and resistivity of a wire ? 1. Both quantities...
- An iron nail sinks in water whereas an iron ship floats. Which of the following statements is correct in this regard ? 1. Average...
- What will happen if a collection of positive and negative charges are passed at a high speed through a magnetic field which is...
- The motion of a particle of mass m is described by the relation, y = ut - 1 2 gt^2, where u is the initial velocity of the...
- Which one of the following statements is true for sound waves propagating in air ?
- A 100 g sphere is moving at a speed of 20 m/s and collides with another sphere of mass 50 g. If the second sphere was at rest...
- Which one of the following optical phenomena supports that the light is a transverse wave ?
- How many of the following materials can be attracted by a magnet ? 1. Plastic 2. Carbon 3. Aluminium 4. Stainless Steel Select...Not in JEE Advanced syllabus
- If the current through an electrical machine running on direct current is 15 A and the machine runs for 10 minutes, the charge...
- Which of the following forces is/are fundamental in nature ? 1. Gravitational force 2. Electromagnetic forces 3. Strong and weak...Not in JEE or NEET syllabus
- A uniform meter scale of mass 0·24 kg is made of steel. It is kept on two wedges, W_1 and W_2, in a horizontal position. W_1 is...
- Escape speed from the Earth is close to 11 2 km s ^ -1 . On another planet whose radius is half of the Earth's radius and whose...
- Which one of the following does not apply to sound waves in fluids ?
- A ball of 0·1 kg mass is dropped on a hard floor from a height of 0·45 m and rises to a height of 0·20 m. If it was in touch with...
- Which one of the following statements regarding simple pendulum is correct ? Simple pendulum has a time period independent of...
- Which one of the following about different frictional forces is correct ?