MCQOPTIONS
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| 1. |
In an optical fibre, the diameter of the core is nearly |
| A. | \[{{10}^{-2}}m\] |
| B. | \[{{10}^{-4}}m\] |
| C. | \[{{10}^{-8}}m\] |
| D. | \[{{10}^{-10}}m\] |
| Answer» C. \[{{10}^{-8}}m\] | |