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A ray of light makes an angle of 10^(@) ...

A ray of light makes an angle of `10^(@)` with the horizontal above it 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

`40^@`

B

`50^@`

C

`80^@`

D

`100^@`

Text Solution

Verified by Experts

The correct Answer is:
1
From figure
`theta+theta+10=90`
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VMC MODULES ENGLISH-RAY OPTICS -Example
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