When a plane mirror is rotated through an angle - then the reflected ray turns through the angle 2 - then the size of the image

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When a plane ...

Question

When a plane mirror is rotated through an angle θ then the reflected ray turns through the angle 2θ then the size of the image

Is doubled

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Remains the same

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Is halved

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Becomes infinite

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θ

2 θ

θ,

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When a plane mirror is rotated through an $θ$ the reflected ray turns through angle $2 θ$ then the angle of deviation is :

θ

θ

2 θ

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