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An object is placed at a distance of 40 ...

An object is placed at a distance of `40 cm` from a concave mirrorr of focal length `15 cm`. If the object is displaced through a distance of `20 cm` towards the mirrorr, the displacement of the image will be

A

30 cm away from the mirror

B

36 cm away from the mirror

C

30 cm towards the mirror

D

36 cm towards the mirror

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • An object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm. If the object is displaced through a distance of 20 cm towards the mirror , the displacement of the image will be

    A
    30 cm towards the mirror
    B
    36 cm away from the mirror
    C
    30 cm away the mirror
    D
    36 cm towards the mirror
  • An object is placed at a distance of 40 cm in front of a concave mirror of focal length 20 cm the image produced is

    A
    virtual and inverted
    B
    real and erect
    C
    real, inverted and diminished
    D
    real, inverted and of the same size as the object
  • An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at

    A
    13.3 cm
    B
    20 cm
    C
    25 cm
    D
    10 cm
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