The red light from the ant passed into the lens

Physics

1 answer:

s344n2d4d5 [400]3 years ago

6 0

Answer:

When red light enters the lens its wavelength decreases but its frequency remains the same. 

Explanation:

Lens is made of glass which is a denser medium when compared with air. Thus light will undergo refraction and bend toward the normal. On entering a denser medium from rarer medium the speed of light decreases.

Speed, frequency and wavelength of an electromagnetic wave are related according to the equation.

 v=ϑλ 

Where is v is the frequency, λ is the wavelength and v is the speed of the em wave. 

On entering the lens the wavelength of the red light as well as speed decreases but the frequency remains the same.

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