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Question
A ray of light incident on a piece of glass as shown above. The light passes through the glass and emerged into the air. A, B, C, D and E are possible paths of light. Choose the best possible path of light.
A ray of light incident on a piece of glass as shown above. The light passes through the glass and emerged into the air. A, B, C, D and E are possible paths of light. Choose the best possible path of light.
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Solution
The correct option is C D
According to snell's law of refraction.At upper interface.As the ray passes from a less dense medium (air) to a more dense medium (glass), the ray bends toward the normal line. At lower interfaceAs the ray exits the glass(denser medium) back into the air(rarer medium), it must bend away from the normal back to the original angle in the air.
hence option D.
According to snell's law of refraction.
At upper interface.
As the ray passes from a less dense medium (air) to a more dense medium (glass), the ray bends toward the normal line. At lower interface
As the ray exits the glass(denser medium) back into the air(rarer medium), it must bend away from the normal back to the original angle in the air.
hence option D.
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