The work done by a centripetal force on an object moving in a circular path is:
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is –
If the vector sum of torques acting on a system is zero, then the object is in ________.
Find the resistance when a current of 2 A flows under a voltage of 10 V.
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
A sugar solution in a tube of length 2.0 dm produces optical rotation of 12°. Then, the sugar solution is diluted to one half of its initial concentra...
What happens to the resistance of a wire if its length is doubled?
The order of wavelengths for ordinary light is:
A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths ...
A circular coil of wire consisting of 120 turns, each of radius 12 cm carries a current of 0.30 A. What is the magnitude of the magnetic field B at the ...
