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The focal length f is related to the radius of curvature r of the spherical convex mirror by:

Option 1 -

f = r

Option 2 -

f =  − 1 2 r

Option 3 -

f = -r

Option 4 -

f = + 1 2 r

0 1 View | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 3


    Detailed Solution:

    Focus of a spherical convex mirror is in the same side of centre of curvature. Thus, f = + 1 2 r .

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