Question

10. A concave mirror forms a real image of an object
placed in front of it at a distance 30 cm, of size three
times the size of object. Find (a) the focal length
of mirror (b) position of image.
Ans. (a) 22.5 cm, (b) 90 cm in front of mirror.

Answer 1

Answer:

hey mate your answer is...

Explanation:

1)distance 30 cm.

focallength=?

f=2/d

f=2/30

f=15cm...

hope it's helps..