Which of the following statements is/are correct for a fr...
Which of the following statements is/are correct for a freely falling body?
I. the total is entirely kinetic
II. the ratio of potential energy to kinetic energy is constant
III. the sum of potential and kinetic energy is constant
I only
II only
III only
I & III only
Correct answer is C
- the total energy at any point is a combination of the P.E and K.E
- the sum of PE and KE at any point is always constant not the ratio of P.E to K.E
Which of the following statements is correct about the angle of dip at various points on Earth? ...
A ball is swung in a horizontal circle of centre O with a constant speed. acceleration? ...
Which of the following is/are TRUE of nuclear fission? I. A heavy nucleus is split into two nucl...
The effect of closing the key K in the circuit shown in the figure above would be to? ...
Which of the following units is the S.I. unit of heat capacity? ...