MCQOPTIONS
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| 1. |
The focal length of a concave mirror is f and the distance from the object to the principal focus is \[x\]. Then the ratio of the size of the image to the size of the object is: |
| A. | \[\frac{(f+x)}{f}\] |
| B. | \[\frac{f}{x}\] |
| C. | \[\sqrt{\frac{f}{x}}\] |
| D. | \[\frac{{{f}^{2}}}{{{x}^{2}}}\] |
| Answer» C. \[\sqrt{\frac{f}{x}}\] | |