A ray of light is moving from a material having a high index of refraction into

Question

A ray of light is moving from a material having a high index of refraction into a material with a lower index of refraction.

(a) Is the ray bent toward the normal or away from it?

toward the normal

away from the normal    

(b) If the wavelength is 600 nm in the material with the high index of refraction, is it greater, smaller, or the same in the material with the lower index of refraction?

greater

smaller    

the same

(c) How does the frequency change as the light moves between the two materials? Does it increase, decrease, or remain the same?

increase

decrease    

remain the same

Explanation / Answer

here,

Part A:
From Snell's Law via refractive indices when light travel from higher index medium to lower index medium it always bent away from normal.

Part B:
Since Velocity in lower index medium is higher than that in high index medium, therefore wavelength will increase

Part C:
Frequency remain constant in mediums

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