Question

The separation between two consecutive creast in transverse wave is 100m if wave velocity is 20ms1 find frequency

Answer 1

Separation between two consecutive crest = Wavelength
Wavelength = 100 m
Velocity = 20 m/s

Frequency = Velocity / wavelength
= 20 m/s / 100 m
= 0.2 Hz

Frequency is 0.2 Hz

Answer 2

Answer: Frequency is 0.2 Hz.

Given:

1. The separation between two consecutive crest in transverse wave is 100 m.
2. Wave velocity is $20\ m/s$.

To Find: Frequency.

Step-by-step explanation:

Step 1: The length of a waveform signal that is propagating in space or over a wire is measured by the separation between identical points (adjacent crests) in the adjacent cycles is known as wavelength.

Step 2: The number of times a repeated event occurs in a given amount of time is known as its frequency. Because it differs from angular frequency, it is also sometimes referred to as temporal frequency. Hertz (Hz), which equals one occurrence per second, is the unit of frequency. The period is the reciprocal of frequency since it represents the amount of time that passes between occurrences.

Step 3: Separation between two consecutive crest = Wavelength

Wavelength = $100 m$

Velocity = $20 m/s$

Frequency = Velocity / wavelength

$= \frac{20 \ m/s}{ 100\ m} \\\\= 0.2 \ Hz$

Hence, Frequency is 0.2 Hz.

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