Question

1. Calculate the frequency of yellow light of wavelength
550 nm. The speed of light is 3 x 108 m s-1.

Complete explanation.​

Answer 1

Answer:

The formula for frequency, when given wavelength and the velocity of the wave, is written as: f=

λ

v

In this formula, f represents frequency, V represents the velocity of the wave, and λ represents the wavelength of the wave.

In this case, the wavelength is 550 nm and velocity of light is 3×10

8

m/s.

Therefore, the frequency is: f=

550×10

−9

m

3×10

8

m/s

=5.45×10

14

Hz.

The frequency of the wave is 5.45×10

14

Hz.

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