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If the radius of curvature of a spherical mirror is 30 cm, what is its focal length?

Practice Questions

1 question
Q1
If the radius of curvature of a spherical mirror is 30 cm, what is its focal length?
  1. 10 cm
  2. 15 cm
  3. 20 cm
  4. 30 cm

Questions & Step-by-step Solutions

1 item
Q
Q: If the radius of curvature of a spherical mirror is 30 cm, what is its focal length?
Solution: Focal length f = R/2 = 30 cm / 2 = 15 cm.
Steps: 0

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