MCQ
Linear magnification produced by a concave mirror may be:
- ALess than 1 or equal to 1.
- BMore than 1 or equal than 1.
- CLess than 1, more than 1 or equal to 1.
- DLess than 1 or more than 1.
Explanation:
Magnification, $\text{m}=\frac{\text{v}}{\text{u}}$
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| Metal rod | Number of paper clips picket uo when thre is a current in the coil | Number of paper clips attracted when the current is switched off |
| (a) | 1 | 0 |
| (b) | 20 | 2 |
| (c) | 35 | 0 |
| (d) | 35 | 30 |