When an object is kept at a distance of 30 cm from a concave mirror, the image is formed…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
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. If the object is moved with a speed of 9 m s–1, the speed with which image moves is
- 10 m s–1
- 1 m s–1
- 9 m s–1
- 0.9 m s–1
Answer
(B) 1 m s –1
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