Questions
A photon of light enters a block of glass after travelling through vacuum. The energy of the photon on entering the glass block
a
Increases because its associated wavelength decreases
b
decreases because the speed of the radiation decreases
c
stays the same because the speed of the radiation and the associated wavelength do not change.
d
stays the same because the frequency of the radiation does not change
detailed solution
Correct option is D
The frequency of light does not change with medium.from equation E=hϑ we can see that energy will also remain same.Talk to our academic expert!
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