Physics questions
20027 published questions with worked solutions.
- A charge particle of 2 accelerated by a potential difference of 100 V enters a region of uniform magnetic field of magnitude 4 mT...
- The work functions of Aluminium and Gold are 4.1 eV and 5.1 eV respectively. The ratio of the slope of the stopping potential...
- The weight of a body on the surface of the earth is 100 N. The gravitational force on it when taken at a height, from the surface...
- A 2 meter long scale with least count of 0.2 cm is used to measure the locations of objects on an optical bench. While measuring...
- The energy density associated with electric field E and magnetic field B of an electronmagnetic wave in free space is given by (...
- For an amplitude modulated wave the minimum amplitude is 3 V, while the modulation index is 60%. The maximum amplitude of the...Not in JEE or NEET syllabus
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The phase...
- The temperature of an ideal gas is increased from 200 K to 800 K. If r.m.s. speed of gas at 200 K is v_0. Then, r.m.s. speed of...
- A child of mass 5 kg is going round a merry-go-round that makes 1 rotation in 3.14 S. The radius of the merry-go-round is 2 m....
- A dipole comprises of two charged particles of identical magnitude q and opposite in nature. The mass 'm' of the positive charged...
- A particle starts with an initial velocity of 10.0 ms^ -1 along x-direction and accelerates uniformly at the rate of 2.0 ms^ -2 ....
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Diffusion...Not in JEE Advanced syllabus
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: When you...
- A small particle of mass m moves in such a way that its potential energy U = 1 2 m ^2r^2 where is constant and r is the distance...
- A body cools in 7 minutes from 60°C to 40°C. The temperature of the surrounding is 10°C. The temperature of the body after the...
- A body is dropped on ground from a height 'h1' and after hitting the ground, it rebounds to a height 'h2'. If the ratio of the...
- A ring and a solid sphere rotating about an axis passing through their centres have same radii of gyration. The axis of rotation...
- A simple pendulum with length 100 cm and bob of mass 250 g is executing S.H.M of amplitude 10 cm. The maximum tension in the...
- Two concentric circular coils with radii 1 cm and 1000 cm and number of turns 10 and 200 respectively are placed coaxially with...
- A proton with a kinetic energy of 2.0 eV moves into a region of uniform magnetic field of magnitude 2 10^ -3 T. The angle between...