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A small object is placed 20 cm in front ...

A small object is placed 20 cm in front of a block of glass 10 cm thick and its farther side silvered. The image is formed 22 cm behind the silvered face. Find the refractive index of glass.

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To solve the problem, we will follow these steps: ### Step 1: Understand the setup We have a small object placed 20 cm in front of a glass block that is 10 cm thick. The farther side of the glass block is silvered, acting as a mirror. The image is formed 22 cm behind the silvered face. ### Step 2: Define the variables - Distance of the object from the glass block (u) = -20 cm (the negative sign indicates that the object is in front of the mirror) - Thickness of the glass block (T) = 10 cm ...
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