"A light beam incident on a diffraction grating consists of waves with two different wavelengths. The separation of the two firs
1 answer:
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Answer:
v = 7.95 m/s
Explanation:
Given that,
Wavelength of a wave,
Frequency of a wave, f = 15 Hz
We need to find the speed of the wave. The speed of a wave is given by :
So, the wave move with a speed of 7.95 m/s.