Instrument used for detecting and testing the nature of
charge on a body is called:
If the mass of bob of a simple pendulum is doubled, its time
period:
The speed of sound in a liquid is …………..than that in gases:
If the distance between the charged bodies is much greater
as compared to their sizes then the
bodies are considered is:
At room temperature, electrons cannot escape the metal
surface due to ………….. of atomic nucleus:
