Question

Give the ratio of velocities of wavelengths 300nm and 900nm in vacuum​

Answer 1

Answer:

ANSWER

Since light is an electromagnetic wave and it is the property of all the electromagnetic waves that they travel with same speed equal to 3×10

8

m/s in vacuum. Hence ratio of velocities of light of wavelength 4000 A

o

and 8000 A

o

in vacuum is 1:1.

Explanation:

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