Question

4. The radius of curvature of the concave mirror is 30m. Then find the focal length of the mirror?
5. Mention the precautions to be taken then finding the image distance using concave mirror when an object is
the mirror?
kept in front of it ca its principal axis at different locations
List out the mi erial required to find the focal length of the concave mirror.​

Answer 1

Answer:

Explanation:Focal length=1/2of radius of curvature i.e=30*1/2=15cm

Answer 2

Answer:

Answer 1. -15cm.

Explanation : The focal length of a concave spherical mirror is half the radius of Curvature in front of the mirrors centre. So the focal length of your mirror would be - 15cm.