Home
Class 11
PHYSICS
When an object is kept at a distance of ...

When an object is kept at a distance of 30cm from a concave mirror, the image is formed at a distance of 10 cm. if the object is moved with a speed of 9 cm/s, find the speed (in cm/s) with which image moves.

Text Solution

Verified by Experts

The correct Answer is:
1
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise Matrix matching type Q.|11 Videos

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Integer|8 Videos

  • ROTATION

    DC PANDEY|Exercise (C) Chapter Exercises|39 Videos

Similar Questions

Explore conceptually related problems

If the object is placed at a distance of 10 cm from a plane mirror, then the image distance is ______ .

If the object is placed at a distance of 10 cm from a plane mirror , then the image distance is ________.

Knowledge Check

  • When an object is kept at a distance of 30cm from a concave mirror, the image is formed at a distance of 10 cm. If the object is moved with a speed of 9cm s^(-1) the speed with which the image moves is

    A
    `0.1ms^(-1)`
    B
    `1ms^(-1)`
    C
    `3ms^(-1)`
    D
    `9ms^(-1)`

  • An object is placed at a distance of 30 cm from a concave mirror and its real image is formed at a distance of 30 cm from the mirror. The focal length of the mirror is

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

  • An object is kept at a distance 20 cm from a convex mirror of focal length 20 cm. The image will form at

    A
    infinity
    B
    focus
    C
    the position of object
    D
    10 cm behind the mirror

    • Similar Questions

    Explore conceptually related problems

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

    An object is placed at a distance of 15 cm from a concave mirror and its real image is formed at 30 cm in front of that mirror. The focal length of the mirror is

    An object 2.5cm high is placed at a distance of 10cm from a concave mirror of radius of curvature 30 cm. The size of the image is

    An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

    An object 2.5 cm high is placed at a distance of 10 cm from a concave mirror of radius of curvature 30 cm The size of the image is

    Home
    Profile