An object moving at a speed of 5 m/s towards a concave mirror of focal length 
is at a distance of 9 m. The average speed of the image is
a)
b)
c)
d)
An object moving at a speed of 5 m/s towards a concave mirror of focal length is at a distance of 9 m. The average speed of the image is
a)
b)
c)
d)
Question ID - 152363 | SaraNextGen Top Answer
An object moving at a speed of 5 m/s towards a concave mirror of focal length is at a distance of 9 m. The average speed of the image is
a)
b)
c)
d)
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An object moving at a speed of 5 m/s towards a concave mirror of focal length
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) According to mirror formula
Here
As the object moves at a constant speed of 5 m/s after 1 s the new position of image is
The shift in the position of image in 1 s is
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Average speed of image 
127 votes
Answer Link
127