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A concave mirror of focal length 15 cm f...

A concave mirror of focal length 15 cm forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be

A

22.5 cm

B

7.5 cm

C

30 cm

D

45 cm

Text Solution

Verified by Experts

The correct Answer is:
b
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Knowledge Check

  • A concave mirrorr of focal length 15 cm forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be

    A
    `22.5 cm`
    B
    `-7.5 cm`
    C
    `30 cm`
    D
    `45 cm`

  • An object placed in front of a concave mirror of focal length 0.15 m produces a virtual image, which is twice the size of the object. The position of the object with respect to the mirror is

    A
    `-5.5cm`
    B
    `-6.5cm`
    C
    `-7.5cm`
    D
    `-8.5cm`

  • An concave mirror of focal length 30 cm forms an image of double of the height of object. If the image is real then the distance of the object from image is

    A
    45 cm
    B
    30 cm
    C
    20 cm
    D
    90 cm

    • Similar Questions

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    An object is kept in front of a concave mirror of focal length 15 cm. The image formed is three times the size of the object. Calculate the two possible distances of the object from the mirror.

    An object is held in front of a concave mirror of focal length 15 cm . The image formed is 3 times the size of the object. Calculate two possible distances of the object from the mirror.

    An object of height 1.2 m is placed before a concave mirror of focal length 20 cm so that a real image is formed at a distance of 60 cm from it. Find the position of the object ? What will be the height of image formed ?

    An concave mirror of focal length 30 cm forms an image of double of the height of object. If the image is real then the distance of the object from image is

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