Which of the following statements is/ are correct?
<...Which of the following statements is/ are correct?
I. Gravitational potential due to a mass at a point a distance r away is proportional to r2
II. Gravitational field strength is a vector quantity
III. Gravitational intensity is proportional to the weight of a unit mass.
I, II and III
III only
II only
I only
Correct answer is D
No explanation has been provided for this answer.
Which of the following objects is not a conductor of electricity? ...
All electromagnetic waves in a vacuum have the same ...
The part of the human eye that does similar work as the diaphragm of a camera lens is the ...
If the frequency of an emitted x-ray is 1.6 x 1016Hz, the accelerating potential is? [e = 1....