Question

Which of the following statements is true about the speeds of the various colors of light...

Which of the following statements is true about the speeds of the various colors of light in glass?

Violet has the highest speed, red the lowest.

Red has the highest speed, violet the lowest.

Green has the highest speed, red and violet the lowest.

Red and violet have the highest speed, green the lowest.

All colors of light have the same speed in glass.

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Answer #1

Red has the highest speed whereas the violet has the lowest speed in glass.

It is so because, violet having the least wavelength, hence bends the maximum , thus possessing the least speed. ( It must be noted that the less the wavelength is , more is the bending of light ).

Also, red having largest wavelength, bends the minimum and hence travels the fastest in the glass.

Please ask your doubts or queries in the comment section below.

Please kindly upvote if you are satisfied with the solution.

Thank you.

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