Diffraction of wave can be observed clearly only when the
size of slit or obstacle is nearly ………. To the wavelength of the wave:
Sound waves having frequency higher than 20,000 Hz are
called:
The characteristics of sound by which we can distinguish
between two sounds of same loudness and pitch is called.
A 3Ω resistor having 2A current will dissipate the power of:
Give the number of factors which affect the ability of a
capacitor to store charge.