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Where should an object be placed in orde...

Where should an object be placed in order of to use a convex lens as a magnifying glass?

Text Solution

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At distance less than focal length
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A convex lens a focal length of 10 cm. At which of the following position should an object be placed so that this convex lens may act as a magnifying glass?

Where should an object be placed in front of a convex lens to get a real image of the size of the object ?

Knowledge Check

  • Where should an object be placed in front of a convex lens to get a real image of the size of the object ?

    A
    At the principal focus of the lens
    B
    At twice the focal length
    C
    At infinity
    D
    Between the optical centre of the lens and its principal focus.

  • The focal length of convex lens used as a magnifying glass is:

    A
    more
    B
    much more
    C
    less
    D
    All of these

  • A convex lens has a focal length of 10 cm. At which of the following distance should an object be placed in front of this convex lens so that it may act as a magnifying glass ?

    A
    15cm
    B
    7cm
    C
    20cm
    D
    25cm

    • Similar Questions

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    Where should an object be placed in front of a convex lens so as to obtain its real, inverted and magnified image?

    A concave lens is used as a magnifying glass.

    Where should an object be placed in front of a convex lens to get a real to get real image of the size of the object ?

    Where should an object be placed from a convex lens to from an image of the same size ? Can it happen in case of a concave lens ?

    A convex lens of focal length 20cm is placed 10cm in front of a convex mirror or radius of curvature 15cm. Where should a point object be placed in front of the lens so that it images on to itself?

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