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the motion in which the friction reduces the mechanical energy of the system as time passes and the amplitude of motion reduces is called:
SHM
Random motion
Damped motion
Circulatory motion
Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly ………. To the wavelength of the wave:
Two times
Equal
Four times
Half
the water waves after striking the hurdle will:
reflect
refract
diffract
all a b and c
The maximum displacement from mean position is called:
Maximum height
Time period
Amplitude
Interval
