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Q: A spherical mirror converges a beam of light, at a given point on the principal axis. Which of the following statement(s) about the mirror is/are true? 1. The mirror used is concave 2. The mirror has positive focal length 3. The point of convergence is the principal focus of the mirror.
  • A. Both 1 and 2
  • B. Only 1
  • C. Only 2
  • D. Both 1 and 3
Correct Answer: Option D - A spherical mirror convergences a beam of light. According to statement only 1 and 3 are correct.
D. A spherical mirror convergences a beam of light. According to statement only 1 and 3 are correct.

Explanations:

A spherical mirror convergences a beam of light. According to statement only 1 and 3 are correct.