Physics, 28.12.2019 05:31 sharkboy578

When one observes a scratch on the bottom of a block of clear plastic, the scratch appears to be 2.5 cm below the top surface as viewed from above. the actual thickness of the plastic block is 3.0 cm. the index of refraction of the block is

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When one observes a scratch on the bottom of a block of clear plastic, the scratch appears to be 2.5...