A mechanical wave requires which of the following to travel?
A medium
Light
Sound
All the above
The two and fro motion of the pendulum about a fixed point is called
Amplitude
Frequency
Displacement
Oscillation
Which one of the following represents frequency?
f = n/t
f = nt
f = λ t
f = λ / t
Sound wave is an example of
Transverse wave
Longitudinal wave
Mechanical wave
Electromagnetic wave
The unit of frequency is
Lambda
Hertz
Second
Metre
The depressed portion of a wave is called
Crust
Trough
Wavelength
The distance between two successive crust or trough is called
The height of a crust or the depth of a trough measured from a wave is called
The number of complete waves generated per second is called
displacement
The time taken for one oscillation is called
Period
