which can be used to distinguish between insulators and
conductors:
parallel plate consists of 2 metal plates separated by:
The ration of external force applied on the spring to
displacement is called:
A large ripple tank with a vibrator working at a frequency
of 30 Hz produces 25 complete waves in a distance of 50 cm.
The velocity of the wave is:
In case of OR and AND operation, if switches s1
and s2 both are open then lamp is:
The particles emitted from a hot cathode surface are: