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Indian Navy SSR (Sailor) Light - Reflection and Refraction — practice questions

Explore 1 free Light - Reflection and Refraction questions in Indian Navy SSR (Sailor) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Light - Reflection and Refraction questions and exercises with answers

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For a spherical mirror of small aperture, the relation between radius of curvature R and focal length f is:Read the answer and worked solution →

Worked practice questions

For a spherical mirror of small aperture, the relation between radius of curvature R and focal length f is:

  1. R = 4f
  2. R = f/2
  3. R = f
  4. R = 2f
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Correct answer: D. R = 2f

1. The focal point lies midway between pole and centre of curvature. 2. Hence the radius of curvature is twice the focal length. 3. Symbolically R = 2f. _Source: syllabus Science, Ch 9 "Light Reflection and Refraction", §9.2_

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