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-

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Question

What device other than a plane mirror can be used to turn a ray of light through $180^{\circ}$ ? Draw a diagram in support of your answer. Name an instrument in which this device is used.

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Solution

A total reflecting prism can be used to turn a ray of light by 180°. The following diagram can make it further clear.
$selina-icse-solutions-class-10-physics-refraction-light-plane-surfaces-4d-23$

This action of prism is used in binocular.

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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.

A total reflecting prism can be used to turn a ray of light by 180°. The following diagram can make it further clear. This action of prism is used in binocular.

What device other than a plane mirror can be used to turn a ray of light through $180^{\circ}$ ? Draw a diagram in support of your answer. Name an instrument in which this device is used.

A total reflecting prism can be used to turn a ray of light by 180°. The following diagram can make it further clear.
$selina-icse-solutions-class-10-physics-refraction-light-plane-surfaces-4d-23$

This action of prism is used in binocular.