Question

The ratio of numerical value of plane angle for a circle to solid angle for a sphere is:Required to answer. Single choice​

Answer 1

Answer:

I think it's helpful for u

Explanation:

Explanation:The dimensionless unit of plane angle is the radian, with 2π radians in a full circle. A solid angle, ω, made up of all the lines from a closed curve meeting at a vertex, is defined by the surface area of a sphere subtended by the lines and by the radius of that sphere, as shown below.