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The waves in which particles of the medium vibrate parallel to the direction of waves are called:
Longitudinal waves
Transverse waves
Electromagnetic waves
Both a and c
In simple pendulum motion, restoring force is provided by:
Air resistance
Tension in the string
Inertia
Weight of the body
The waves which travel in straight line through space and have strong signals are called:
Micro waves
Mechanical waves
Light waves
Magnet waves
the number of waves passing through a point in one second is called:
time period
cycle
frequency
amplitude
When a body moves to and fro about a point, its motion is called:
Random motion
Vibratory motion
Linear motion
Rotatory motion
The product of frequency and wavelength is equal to:
Time period
Amplitude
Wave speed
Wave energy
