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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Ray Optics

Olympiad workbook · NSEP · Ray Optics

A concave lens of focal length f produces an image (1 / n) times...

A concave lens of focal length ff produces an image (1/n)(1 / n) times the size of the object. The distance of the object from the lens is

Options

  1. A(n+1)f(n+1) f
  2. B(n−1)nf\frac{(n-1)}{n} f
  3. C(n+1)nf\frac{(n+1)}{n} f
  4. D(n−1)f(n-1) f

Correct answer

D. (n−1)f(n-1) f

Step-by-step solution

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