The distance between two successive crust or trough is called
Frequency
Displacement
Wavelength
Amplitude
The unit of frequency is
Lambda
Hertz
Second
Metre
Which of the following is a device used for doing experiments in sound?
Light
Air
Turning fork
Scale
When the pendulum is at rest it is said to be in
Equilibrium position
Maximum displacement
Period
The two and fro motion of the pendulum about a fixed point is called
Oscillation
The time taken for one oscillation is called
What is the relation between velocity ( v ), frequency ( f ) and wavelength ( λ ) of a wave?
f = V λ
V = f λ
λ = Vf
V = f/λ
A mechanical wave requires which of the following to travel?
A medium
Sound
All the above
Sound wave is an example of
Transverse wave
Longitudinal wave
Mechanical wave
Electromagnetic wave
In which of the following waves, the particles of the medium vibrate in a direction parallel to the direction of propagation of wave?
Longitudinal waves
Mechanical waves
