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Why does wavelength change as light enters a different medium?

rishav kumar , 10 Years ago
Grade 9
anser 1 Answers
Apoorva Arora

Last Activity: 10 Years ago

Frequency of light depends only upon source. It is independent of all other factors. Hence frequency of light does not change when it enters into a different medium.
Velocity of light depends on the medium. It is less in a denser medium and more in the rarer medium. We have the relation, velocity = (Frequency) (Wavelength).Since freq. remains unchanged; Wavelength undergoes the same changes as Velocity.
Thanks and Regards
Apoorva Arora
IIT Roorkee
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