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Indian Navy INET C10mirrorformula — practice questions

Explore 1 free C10mirrorformula questions in Indian Navy INET Physics. Open each question or exercise to read its content, reference answers and available explanation.

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C10mirrorformula questions and exercises with answers

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As per your syllabus, if a CONVEX MIRROR has R = 3.00 m, what is its FOCAL LENGTH (with sign)?Read the answer and worked solution →

Worked practice questions

As per your syllabus, if a CONVEX MIRROR has R = 3.00 m, what is its FOCAL LENGTH (with sign)?

  1. +1.50 m (convex mirror focal length is positive, F behind the mirror)
  2. −1.50 m
  3. −3.00 m
  4. +3.00 m
Show answer and solution

Correct answer: A. +1.50 m (convex mirror focal length is positive, F behind the mirror)

As per your syllabus, convex mirror R = +3.00 m, so f = +R/2 = +1.50 m.

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