Physics questions
20027 published questions with worked solutions.
- This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best...
- Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of divisions...
- A thin uniform rod of length and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular...
- The height at which the acceleration due to gravity becomes g 9 (where g = the acceleration due to gravity on the surface of the...
- Two wires are made of the same material and have the same volume. However wire 1 has crosssectional area A and wire-2 has...
- Assuming the gas to be ideal the work done on the gas in taking it from A to B is
- The work done on the gas in taking it from D to A is
- The net work done on the gas in the cycle ABCDA is
- One kg of a diatomic gas is at a pressure of 8 10^4 N/m^2. The density of the gas is 4 kg/m^ -3 . What is the energy of the gas...
- If x, v and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time...
- A motor cycle starts from rest and accelerates along a straight path at 2 m/s^2. At the starting point of the motor cycle there...
- Three sound waves of equal amplitudes have frequencies (v - 1), v, (v + 1). They superpose to give beats. The number of beats...
- This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best...
- Let P(r) = Q R^4 r be the charge density distribution for a solid sphere of radius R and total charge Q. for a point ' p ' inside...
- Two points P and Q are maintained at the potentials of 10 V and −4 V respectively. The work done in moving 100 electrons from P...
- A charge Q is placed at each of the opposite corners of a square. A charge q is placed at each of the other two corners. If the...
- This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best...
- The magnitude of the magnetic field (B) due to loop ABCD at the origin (O) is
- Due to the presence of the current I_1 at the origin
- In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each...