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ICSE Class 10 Physics Question 15 of 19

Refraction of Light at Plane Surfaces — Question 16

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Question 16

What device other than a plane mirror, can be used to turn a ray of light through 180°? Draw a diagram in support of your answer. Name an instrument in which this device is used.

Answer

A total reflecting prism is used to turn a ray of light through 180°.

What device other than a plane mirror, can be used to turn a ray of light through 180°? Draw a diagram in support of your answer. Name an instrument in which this device is used. Refraction of light at plane surfaces, Concise Physics Class 10 Solutions.

This device is used in a binocular and camera to invert the image without the loss of intensity.