Question

What name has been given to the wave of short duration?

• A. Pulse
• B. Periodic wave
• C. Elastic wave
• D. None of these

Answer 1

The correct option is A

Pulse

The explanation for the correct option:

1. A disturbance, which is sudden and lasts for a short duration of time is called a pulse.
2. A pulse is a single disturbance that propagates through a transmission medium.
3. A pulse will reflect off a free end and back with the identical direction of displacement that it had before reflection.

The explanation for incorrect options:

1. A periodic wave is a wave with a persistent ongoing pattern that determines its wavelength and frequency.
2. The elastic waves are the waves in which the force proportional to the displacement acts on the particle. The elastic waves, the particles are being restored.

Hence, option (a) is correct.