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| Q. |
Convex mirror is generally used in - |
| A. | solar cookers |
| B. | opthalmoscope |
| C. | reflector for head light |
| D. | rear view mirror |
| Answer» D. rear view mirror | |
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Explanation: Rear view mirrors of carsare convex mirrors as they enable the driver to see a wide area of the road behind the car. The convex mirror makes the rays of a parallel beam divergeas if they were coming from its focus, thereby produdcing a diminished virtual image which the driver can see. |
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