If the direction of incident ray is kept constant and the mirror is rotated through an angle $θ$ about an axis in the plane mirror, then the reflected ray rotates through an angle

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

\frac{θ}{2}

θ

3 θ

2 θ

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

If the plane mirror is rotated by an angle $' θ'$ in an anti-clockwise direction but the source is fixed then the reflected ray is turned by angle $2 θ$ in an anti-clockwise direction.

When a plane mirror is rotated through an angle theta , then the reflected ray turns through the angle 2theta , then the size of image.

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!