MCQOPTIONS
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| 1. |
An astronomical telescope of ten-fold angular magnification has a length of 44 cm. The focal length of the objective is [CBSE PMT 1997] |
| A. | 4 cm |
| B. | 40 cm |
| C. | 44 cm |
| D. | 440 cm |
| Answer» C. 44 cm | |