Ray Optics and Optical Instruments Part 1

Section: Physics

Question : 28 of 100

Marks: +1, -0

When an object is kept at a distance of 30 cmfrom a concave mirror, the image is formed ata distance of 10 cm from the mirror. If the objectis moved with a speed of 9 cms−1, the speed(in cms−1 ) with which image moves at thatinstant is _____.

[3 Sep 2020 Shift 2]

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