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CBSE Notes 2011-2012

Which of the following statements is correct regarding the propagation of light of different colours...

Multiple choice question

Which of the following statements is correct regarding the
propagation of light of different colours of white light in
air ?

unknown

Red light moves fastest.

unknown

Blue light moves faster than green light.

unknown

All the colours of the white light move with the same
speed.

unknown

Yellow light moves with the mean speed as that of
the red and the violet light.