WBJEE 2019 Physics Solved Paper

Question : 1 of 40

Marks: +1, -0

A ray of light is reflected by a plane mirror,

and

be the unit vectors along the incident ray, reflected ray and the normal to the reflecting surface respectively. Which of the following gives an expression for

^
e0
+ 2 (
^
e0
.
^
n
)
^
n
^
e0
- 2(
^
e0
.
^
n
)
^
n
^
e0
- (
^
e0
.
^
n
)
^
n
^
e0
+ (
^
e0
.
^
n
)
^
n

Validate

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