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Question

The speed of a wave is 340ms-1. What is the wavelength of the wave if its frequency is 500 Hz?


A

0.68 m

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B

6.8 m

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C

68 m

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D

0.68 cm

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Solution

The correct option is A

0.68 m


Step 1: Given data.

velocity=340ms-1frequency=500Hz

Step 2: Finding the wavelength of a wave.

  1. The wavelength and frequency of a sound wave are related mathematically as:
  2. Thevelocityofsound=frequency×wavelengthV=ϑ×λλ=Vϑλ=340500mλ=0.68m
  3. where λ = wavelength, V = velocity, and ϑ = frequency.
  4. Therefore, the wavelength of the wave is 0.68 m.

Hence, option (a) is correct.


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