A ray of light is traveling from water into a diamond. Upon hitting the diamond, a light ray bends toward the normal. With this information, what can you say about the speed of light as it passes from water into a diamond?

Question

anonymous · Answer

it is very simple question, 
according to your question the light is bending so it clearly says the velocity of light decreased and the light bent .

so the answer is the speed of light decrease..
ok friend

anonymous · Answer

thanks