MCQOPTIONS
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| 1. |
An object is moving towards a concave mirror of focal length 24 cm. When it is at a distance of 60 cm from the mirror its speed is 9 cm/s. The speed of its image at the instant is |
| A. | 4 cm/s towards the mirror |
| B. | 9 cm/s towards the mirror |
| C. | 4 cm/s away from the mirror |
| D. | 9 cm/s away from the mirror |
| Answer» D. 9 cm/s away from the mirror | |