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What is the value of theta in the follow...

What is the value of `theta` in the following ray diagram?

A

`25^@`

B

`35^@`

C

`50^@`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
The dotted line passing through C acts as normal.
`therefore theta =2xx25^@`
`=50^@`
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