Thank you for reporting, we will resolve it shortly
Q.
A man $2\, m$ tall stands $5\, m$ in front of a large vertical plane mirror. Then the angle subtended at his eye by his image in the plane mirror is
Ray Optics and Optical Instruments
Solution:
The image will be of the same height as the object or $2\, m$. The image is formed at a distance of $10\, m$ from the person. Hence
Approximately, $\theta=\frac{2 m}{10 m}=0.2$ rad.
