Question
Physics Question on work, energy and power
Two mirrors at an angle θº produce 5 images of a point. The number of images produced when θ is decreased to θº – 30º is
A
(A) 9
B
(B) 10
C
(C) 11
D
(D) 12
Answer
(C) 11
Explanation
Solution
Explanation:
No, of images =5∴θ=60∘New angle =θ−30∘=30∘. No of images =360∘30∘−1=11