Q. To get three images of a single object, one should have two plane mirrors at an angel of
A) $60{^\circ}$
B) $90{^\circ}$
C) $120{^\circ}$
D) $30{^\circ}$
Explanation
(b) $n = \frac{360{^\circ}}{\theta} - 1$
$3\ = \ \frac{360{^\circ}}{\theta} - 1$
$\theta = 90{^\circ}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.