WBJEE 2021 Physics and Chemistry Solved Paper

PHYSICS

CATEGORY - I (Q1 to Q30)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 26 of 80

Marks: +1, -0

The cross-section of a reflecting surface is represented by the equation x2+y2=R2 as shown in the figure. A ray travelling in the positive x direction is directed toward positive y direction after reflection from the surface at point M. The coordinate of the point M on the reflecting surface is

(
R
√2
,
R
√2
)
(−
R
2
,−
R
2
)
(−
R
√2
,
R
√2
)
(
R
√2
,−
R
√2
)

Validate

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