The speed of sound in a liquid is …………..than that in gases:
The screen of a cathode ray tube consists of a thin layer
of:
Which is used to investigate the properties of electron
beam:
The point through which rays of light pass after reflection
from concave mirror is called principal:
Specific resistance of aluminium in (10-8 Ω.m)
is:
If the distance between the charged bodies is much greater
as compared to their sizes then the
bodies are considered is:
