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2 votes
A ray of light passes from air into

water with an angle of incidence of
30
o. Which of the following quantities
does not change as the light enters the
water. .
a) Wavelength
b) frequency
c) speed of propagation
d) direction of propagation.

User Gregpakes
by
6.7k points

1 Answer

2 votes
The frequency doesn't change as the wave crosses
the boundary between one medium and another.
User Yanet
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5.9k points