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The distance of an object from a spheric...

The distance of an object from a spherical mirror is equal to the focal length of the mirror. Then the image.

A

must be at infinity

B

may be at infinity

C

may be at the focus

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • An object of height 0.5 m is placed in front of convex mirror. Distance of object from the mirror is equal to the focal length of the mirror. Height of the image of the object is

    A
    infinite
    B
    1 m
    C
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    D
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  • An object of length 2.5 cm is placed at a distance of 1.5 f from a concave mirror where f is the magnitude of the focal length of the mirror The length of the object is perpendicular to the principle axis. The length of the image is:

    A
    5 cm, erect
    B
    10 cm, erect
    C
    15 cm, erect
    D
    5 cm, inverted

  • The focal length of spherical mirror is

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    Maximum for red light
    B
    Maximum for blue light
    C
    Maximum for white light
    D
    Same for all lights

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