Physics questions
20027 published questions with worked solutions.
- In the middle of the depletion layer of a reverse biased p-n junction, theNot in JEE Advanced syllabus
- Which one of the following represents the correct dimensions of the coefficient of viscosity?
- A ball is released from the top of a tower of height h metres. It takes T seconds to reach the ground. What is the position of...
- An automobile travelling with speed of 60 km/h, can brake to stop within a distance of 20 cm. If the car is going twice as fast,...
- A ball is thrown from a point with a speed v_0 at an angle of projection . From the same point and at the same instant person...
- A projectile can have the same range R for two angles of projection. If T_1 and T_2 be the time of flights in the two cases, then...
- If t_1 and t_2 are the times of flight of two particles having the same initial velocity u and range R on the horizontal, then...
- A machine gun fires a bullet of mass 40 g with a velocity 1200 ms^ -1 . The man holding it can exert a maximum force of 144 N on...
- A block rests on a rough inclined plane making an angle of 30^ with the horizontal. The coefficient of static friction between...
- A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any...
- Which of the following statements is false for a particle moving in a circle with a constant angular speed?
- A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total...
- A force F = (5 i + 3 j + 2 k)N is applied over a particle which displaces it from its origin to the point r = (2 i - j)m. The...
- A body of mass m, accelerates uniformly from rest to v_1 in time t_1. The instantaneous power delivered to the body as a function...
- A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle, the...
- A wire fixed at the upper end stretches by length by applying a force F. The work done in stretching is
- A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following...
- One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their...
- A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to...
- The time period of an earth satellite in circular orbit is independent of