How long does it take the light to go from a to b

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Reference no: EM131098825

Moving glass slab*

A slab of glass moves to the right with speed v. A flash of light is emitted from A and passes through the glass to arrive at B a distance L away. The glass has thickness D in its rest frame, and the speed of light in the glass is c/n. How long does it take the light to go from A to B?

Reference no: EM131098825

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