📊 Physics
Q. The focal length of a concave mirror with a radius of curvature of 20.0 cm is :
  • (A) 20 cm
  • (B) 5 cm
  • (C) 10 cm
  • (D) 15 cm
✅ Correct Answer: (C) 10 cm

Explanation: Let us assume f is focal length

Explanation by: Team MCQ Buddy
Let us assume f is focal length

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