Question
Solution
The correct answer is D
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
The work done by a centripetal force on an object moving in a circular path is:
What is the speed of sound in air at room temperature (approx)? Â
The phenomenon of interference is based on the principle of:
What is the rate of change of momentum called?
Which of the following is NOT a conductor of electricity?
A stone of mass 0.08 kg is thrown vertically upwards. Give the direction and magnitude of the net force on the stone during its downward motion. Ignore ...
Two bodies of masses m and 4m are separated by a distance d. Where will the gravitational field be zero along the line joining them?
If resistances R,2R,4R,8R… are connected in parallel, the equivalent resistance is:
If the specific heat at constant pressure Câ‚š is greater than Cáµ¥ , the difference Câ‚š -Cáµ¥ is equal to:
