Question

What causes light rays To bend in a new medium
A change in velocity
B change in amplitude
C change in frequency
D constructive interference

If a light wave Is reflected from the surface of the medium which property of the light wave will change with the reflected wave?

A amplitude
B wavelength
C frequency
D speed

Answer 1

its speed

Answer 2

light has different speeds in different mediums.....;)

Answer 3

Shouldn't it be "velocity" instead of "speed"? I say this since a change in speed does not imply a change in direction whereas a change in velocity can.

Answer 4

Here,what i meant speed is teh velocity u knw.