Home Physics Wave and Sound Basics of Mechanical Waves and Amplitude of the Waves The wave length of light in visible part an…
Physics Wave and Sound Basics of Mechanical Waves and Amplitude of the Waves Single Correct MCQ
Published on: September 12, 2026

The wave length of light in visible part and for sound are related as

A
B
C
D
None of these

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Text Solution

Verified by Experts
The correct answer is:
C
Step 1: Understand the relationship between wavelength and frequency for both light and sound. The speed of light (c) is much greater than the speed of sound (v).
Step 2: The wavelength for any wave can be calculated using the formula:
$$ \lambda = \frac{v}{f} $$
where \(\lambda\) is the wavelength, v is the velocity, and f is the frequency.
Step 3: Since sound travels slower than light, for the same frequency, the wavelength of sound (\(\lambda_s\)) will be greater than that of visible light (\(\lambda_v\)).
Step 4: Therefore, we can conclude that \(\lambda_s > \lambda_v\).
Thus, the correct answer is Option C: \(\lambda_s > \lambda_v\).

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