a red light and blue light enter a rectangular glass slab block normal to its surface at the same time.strictly speaking,after passing through the block ,which pulse exits first?

Dear Student,
Please find below the solution to the asked query:

Both will come out together because the speed of both the lights is same in air and will be same in glass as well. So, both will come out of the slab at the same time.

Hope this information will clear your doubts about (Light).
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Satyendra Singh

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