Physics questions
20027 published questions with worked solutions.
- The instrument used for detecting the presence of electric current in a circuit is
- A lens has a power of +2·0 Dioptre. Which one of the following statements about the lens is true ?
- The refractive index of fused quartz is 1·46 and that of sapphire is 1·77. If v_q is the speed of light in quartz and v_s is the...
- In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the...
- Which one of the following regarding density of water at atmospheric pressure is correct ?
- LED (a semi-conductor device) is an abbreviation that stands forNot in JEE Advanced syllabus
- The statement "friction force is a contact force while magnetic force is a non-contact force" is
- Which one of the following is the lowest possible temperature ?
- Numerically two thermometers, one in Fahrenheit scale and another in Celsius scale shall read same at
- The image we see in plane mirror is
- Which of the following are the primary colours of light ?
- According to the New Cartesian Sign Convention, which one of the following is correct in respect of the formula 1 f = 1 v + 1 u ,...
- Which one of the following statements is not correct for light rays ?
- A glass prism splits white light into different colours. This phenomenon is called dispersion of light by prism. Which one of the...
- A current of 1·0 A is drawn by a filament of an electric bulb for 10 minutes. The amount of electric charge that flows through...
- Which one of the following formulas does not represent electrical power ?
- The sound created in a big hall persists because of the repeated reflections. The phenomenon is called
- Twinkling of stars is due to
- Which one of the following cannot be the unit of frequency of a sound wave ?
- 'Beats' is a phenomenon that occurs when frequencies of two harmonic waves are