The substances which do not have free electrons are called:
Which type of image is formed by a convex lens on a screen:
If the displacement in spring is ‘x’ of mass “m” attached
with a spring then restoring force is:
The screen of a cathode ray tube consists of a thin layer
of:
The product of frequency and time period is equal to:
The value of acceleration is simple harmonic motion at mean
position is:
