InterviewSolution
Saved Bookmarks
| 1. |
The solid angle subtended by the periphery of an area `1cm^(2)` at a point situtated symmetrically at a distance of 5 cm from the area isA. `2xx10^(-2)` steradianB. `4xx10^(-2)` steradianC. `6xx10^(-2)` steradianD. `8xx10^(-2)` steradian |
|
Answer» Correct Answer - B Solid angle `dOmega=(dA)/(r^(2))=(1cm^(2))/((5cm)^(2))` `=4xx10^(-2)` Steradian |
|