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A ray of light makes an angle of 10^@ wi...

A ray of light makes an angle of `10^@` with the horizontal and strikes a plane mirror which is inclined at an angle `theta` to the horizontal. The angle `theta` for which the reflected ray becomes vertical, is

A

`20^(@)`

B

`30^(@)`

C

`40^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-RAY OPTICS-Exercise-2
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  2. The mirrors are perpendicular to each other as shown in the Fig. A lig...

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  3. A ray of light makes an angle of 10^@ with the horizontal and strikes ...

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  4. If an object moves towards a plane mirror with a speed v at an angle t...

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  5. rays of light strike a horizontal plane mirror at an angle of 45^(@). ...

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  6. Number of images of an object kept symmetrically between two mirrors i...

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  7. A mirror is inclined at an angle of theta with the horizontal. If a ra...

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  8. It is necessary to illuminate the bottom of a well by reflected solar ...

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  9. A ray of light makes an angle of 20^(@) with the horizontal and strike...

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  10. Two parallel plane mirrors M(1) and M(2) have a length of 2 m each and...

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  11. Two plane mirros are inclined to each other at an angle 60^(@) if a ...

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  16. In a concave mirrorr experiment, an object is placed at a distance x(1...

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