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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Ray Optics

Olympiad workbook · NSEP · Ray Optics

Consider a manual camera with a lens having a focal length of 5 cm...

Consider a manual camera with a lens having a focal length of 5 cm . It is focused at infinity. For catching the picture of an object at a distance of 30 cm , one would

Options

  1. Amove the lens out by about 1 cm .
  2. Bmove the lens out by about 5 cm .
  3. Cmove the lens in by about 1 cm .
  4. Dfind it impossible to catch the picture.

Correct answer

A. move the lens out by about 1 cm .

Step-by-step solution

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