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    an object is placed on the principal axis of a concave mirror

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    an object is placed on the principal axis of a concave mirror of focal length 24 cm. if the image distance is 20 cm more than the object distance then magnification of the image will be

    an object is placed on the principal axis of a concave mirror of focal length 24 cm. if the image distance is 20 cm more than the object distance then magnification of the image will be

    Byju's Answer Standard XII Physics

    Mirror Formula Examples

    an object is ... Question

    an object is placed on the principal axis of a concave mirror of focal length 24 cm. if the image distance is 20 cm more than the object distance then magnification of the image will be

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    Q. Object is placed on the principal axis of a concave mirror. Its real image is formed at a point which is 10 cm more distant from the mirror than the object. If focal length of mirror 12 cm. The magnification of the image is:Q. The image of an object placed on the principal axis of a concave mirror of focal length 12 cm is formed at a point which is 10 cm more distance from the mirror than the object. The magnification of the image isQ. An object is moving along the principal axis of a concave mirror of focal length

    8 cm . At a distance of 4 cm

    from the mirror, the image formed is twice the height of the object. Then, the magnification produced for object distance

    20 cm will be

    Q. An object is placed on the principal axis of a concave mirror. Its real image is formed at a point that is 10 cm more distant from the mirror than the object. If the focal length of the mirror 12 cm. The magnification of the image is:Q. An object is placed on the principal axis of a concave mirror at a distance of

    60 c m

    . If the focal length of the concave mirror is

    40 c m

    then determine the magnification of the obtained image.

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    An object is placed on the principal axis of a concave mirror at a distance of 60 cm. If the focal length of the concave mirror is 40 cm then determine the magnification of the obtained image.

    Click here👆to get an answer to your question ✍️ An object is placed on the principal axis of a concave mirror at a distance of 60 cm. If the focal length of the concave mirror is 40 cm then determine the magnification of the obtained image.

    Question

    An object is placed on the principal axis of a concave mirror at a distance of 60 cm. If the focal length of the concave mirror is 40 cm then determine the magnification of the obtained image.

    A

    2

    B

    -2

    C

    2.5

    D

    -2.5

    Medium Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is B)

    Focal length  f=−40cm (-ve sign appears because the mirror is concave)

    Object distance  u=−60cm

    Magnification(m)=?

    Using mirror formula

    f 1 ​ = v 1 ​ + u 1 ​ 40 −1 ​ = v 1 ​ + 60 −1 ​ v 1 ​ = 120 −3+2 ​ v=−120cm Magnification m= u −v ​ = −60 120 ​

    =−2     (The minus sign signifies that the image is inverted)

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    An object is placed on principal axis of concave mirror at distance of 1.5 f Image will be at

    An object is placed on principal axis of concave mirror at distance of 1.5 f Image will be at

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    An object is placed on principal axis of concave mirror at distance of 1.5 f Image will be at

    Updated On: 27-06-2022

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