Physics Past Questions and Answers

Silicon doped with aluminum and germanium doped with arsenic become?

The figure above shows 4 forces 3N, 10N, 3√3N and 6N acting on a particle P. The resultant of he four forces is

From the diagram above, the bob of the pendulum has the fastest speed at

In the diagram above, a rod 50 cm long of uniform cross-section is suspended horizontally on a fulcrum, F, by the action of two forces. What is the weight of the rod?

A boy drags a bag of rice along a smooth horizontal floor with a force of 2N applied at the angle of 60^o to the floor.

The work done after a distance of 3m is