Sound and light waves both have ___________ .
One Kilowatt hour is equal to—
1 unit of Newton is equal to
Mercalli scale is the instrument used for measuring the intensity of ___________.
Which of the following is the least penetrating power rays ?
Quantum Theory was discovered by
Twinkling of the Stars is due to the phenomenon of
For which type of motion, the distance time graph is not a straight line and can be any kind of curve?
Adhesive force is the force of
The splitting up of white light into seven colours on passing through a glass prism is called as
