Question

When a plane mirror is rotated through an angle $\theta$, the reflected ray rotates through an angle $2\theta$. Then the size of the image

• A. is halved
• B. is doubled
• C. remains unchanged
• D. is quadrupled

Answer 1

The correct option is C remains unchanged

When a plane mirror is rotated through an angle $\theta$ , then the reflected ray rotates through an angle 2$\theta$; but the size of the image remain the same.