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

0.1 {m s}^{- 1}

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1 {m s}^{- 1}

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3 {m s}^{- 1}

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9 {m s}^{- 1}

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Solution

The correct option is B $1 {m s}^{- 1}$
Option B is correct

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Similar questions

Q. When an object is kept at a distance of

30 cm

from a concave mirror, the image is formed at a distance of

10 cm

from the mirror. If the object is moved with a speed of

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, the speed (in

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Q. When an object is kept at a distance of

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the speed with which the image moves is

Q. When an object of height 1 cm is kept at a distance 4 cm from a concave mirror ,its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror .Find the focal length of mirror?

When an object of height 1 cm is kept at a distance of 4 cm from a concave mirror, its upright image of height 1.5 cm is formed at a distance of 6 cm behind the mirror. Calculate the focal length of the mirror ___

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When an object is kept at a distance of 30 cm from a concave mirror, the image is formed at a distance 10 cm. If the object is moved with speed of 9 ms−1, the speed with which image moves is

The correct option is B 1ms−1Option B is correct

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

The correct option is B $1 {m s}^{- 1}$
Option B is correct