MCQOPTIONS
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MCQOPTIONS
| 1. |
The focal length of a concave mirror is f and the distance from the object to the principle focus is x. The ratio of the size of the image to the size of the object is [Kerala PET 2005] |
| A. | \[\frac{f+x}{f}\] |
| B. | \[\frac{f}{x}\] |
| C. | \[\sqrt{\frac{f}{x}}\] |
| D. | \[\frac{{{f}^{2}}}{{{x}^{2}}}\] |
| Answer» C. \[\sqrt{\frac{f}{x}}\] | |