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For a spherical mirror focal length 'f' ...

For a spherical mirror focal length 'f' and radius of curvature 'R' are correlated as :

A

f = R

B

f = 2R

C

`f = (R)/(2)`

D

`f = (1)/(R)`

Text Solution

Verified by Experts

The correct Answer is:
C
For a spherical mirror focal length is one of its radius of curvature i.e., `f = (R)/(2) or R = 2f`
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Knowledge Check

  • The focal length (f) of a spherical mirror of radius of curvature R is

    A
    R
    B
    `R/2`
    C
    `(3R)/2`
    D
    2R

  • Find the focal length of a convex mirror of radius of curvature 1 m.

    A
    1.5m
    B
    0.5m
    C
    5m
    D
    1m

  • The relation between focal length f and radius of curvature R of a spherical mirror is.

    A
    f = R
    B
    f = R/2
    C
    f = 2 R
    D
    none of these

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    The focal length of a spherical mirror of radius of curvature 30 cm is:

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