If the focal length of a convex lens is decreased, its power

Options

  • A. Decreases
  • B. Increases
  • C. Remains unchanged
  • D. Becomes zero
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Increases

Detailed Explanation

Power P = 1/f. Therefore, decreasing the focal length increases the magnitude of the power.
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