Question

.By the surface, the solid angle subtended at the centre of a sphere, whose area is equal to the surface of the radius of the sphere is known as *

1 point

A.Radian

B. Steradian

C. Candela

D. Lux

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Answer 1

Answer:

steradium

Explanation:

the steradium can be defined as the solid angle subtended at the centre of a unit sphere of a radius are any portion of it's surface

Answer 2

b option

Steradian

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