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InterviewSolution
| 1. |
What is staradian? |
| Answer» It is the SI unit of solid anglesAnd it generally used in 3dimentional figure to find the angles.<br>Steradian\xa0is a unit of measurement for the solid angles.\xa0Steradian\xa0is the angle subtended, at the center of a sphere, by a surface whose magnitude of area is equal to square of the radius of the sphere.The solid angle of a sphere at it\'s centre is 4π\xa0steradians.\xa0 | |