Diffraction of wave can be observed clearly only when the
size of slit or obstacle is nearly ………. To the wavelength of the wave:
The technique or method used to absorb undesirable sounds by
soft and porous surface is called:
If there is no extension in the spring then the position is
called:
In series combination
of capacitors, each capacitor will have same:
If the mass of the bob of a pendulum is increased by a
factor of 3, the period of the pendulum’s motion will:
