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It is desired to photograph the image of...

It is desired to photograph the image of an object placed at a distance of 3m from the plane mirror. The camera which is at a distance of 4.5 m from the mirror should be focused for distance of

A

3m

B

4.5m

C

6m

D

7.5 m

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • A concave mirror forms an image of sun at a distance of 12 cm from it .

    A
    The radius of curvature of this mirror is 6 cm
    B
    To use it as a shaving mirror, it must be held at a distance of 8 - 10 cm from the face
    C
    If an object is kept at a distance of 12 cm from it, the image formed will be same size as the object
    D
    All the above .

  • An object is placed at a distance of 0.5 m infront of a plane mirror. The distance between object and image will be

    A
    0.25 m
    B
    0.5 m
    C
    1.0 m
    D
    2.0 m

  • A point object is placed at a distance of 30cm from a convex mirror of focal length 30cm. The image will from at

    A
    Infinity behind the mirror
    B
    Focus
    C
    Pole
    D
    15 cm

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