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A light ray is reflected by a mirror . ...

A light ray is reflected by a mirror . If unit vectors along the incident and normal direction are
`hati=1/sqrt3hati-1/sqrt3hatj+1/sqrt3hatk and hatN=hati`,
then unit vector `hatR` along reflected direction is

A

`1/sqrt7(sqrt2hati_sqrt2hatj-sqrt3hatk)`

B

`(1-)/sqrt3hati-1/sqrt3hatj-1/sqrt3hatk`

C

`-1/sqrt3hati-1/sqrt3hatj+1/sqrt3hatk`

D

`1/sqrt3hati+1/sqrt3hatj+1/sqrt3hatk`

Text Solution

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The correct Answer is:
C
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