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10.

The focal length of the concave mirror is 30cm, then the radius of

curvature is

## Answers

Answered by

0

**Answer:**

It will -15

**Explanation:**

The focal length of a concave spherical mirror is half the radius of curvature in front of the mirror’s center. So the focal length of your mirror would be -15 cm

Answered by

0

**Answer:**

60 cm

**Explanation:**

focal length = half of radius of curvature

f = 30cm

R = 2(30)

R= 60 cm

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