MCQOPTIONS
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MCQOPTIONS
| 1. |
Relation between gradient of refractive index with height and dielectric constant gradient is ____________ |
| A. | ( frac{d _r}{dH}=2n frac{dn}{dH} ) |
| B. | ( frac{d _r}{dH}=n frac{dn}{dH} ) |
| C. | ( frac{d _r}{dH}=2n/ frac{dn}{dH} ) |
| D. | ( frac{d _r}{dH}=-2n frac{dn}{dH} ) |
| Answer» B. ( frac{d _r}{dH}=n frac{dn}{dH} ) | |