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Question: Two mirrors are placed 1.0 m apart, with their surfaces parallel. Suppose that light of intensity Io is initially incident on one mirror, normal to its surface. Each mirror reflects 98% of the incident light at each reflection. After how many reflections is the intensity of reflected light reduced to (1x10-6)Io.

A- How long does this take?

Please use as much detail as possible in answer. Thanks.

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