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A concave mirror of radius of. curvature...


A concave mirror of radius of. curvature '10 cm' whose principal axis co-incides with x-axis and its centre of curvature at origin. A point object 'O' with its initial co-ordinates (-2, 0), is moving with a constant speed `sqrt2` cm/ sec making an angle `45^@` with the x-axis as shown figure.
After time t = 2sec, the magnitude of relative velocity between object and its image along the x-axis is

A

zero

B

0.5cm/s

C

1cm/s

D

2cm/s

Text Solution

Verified by Experts

The correct Answer is:
D
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