Difference between solid angle and plane angle with neat labelled diag

1.	Difference between solid angle and plane angle with neat labelled diagram
Answer» Answer: Plane angle is measured in radian while SOLID angle in STERADIAN. Plane angle is measured by an arc on circle WHOSE length is r units whereas solid angle is measured by an area on SPHERE whose area is r*r square units. Plane angle of full circle is 2π whereas solid angle of full sphere is 4π.

Difference between solid angle and plane angle with neat labelled diagram

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Answer:

Plane angle is measured in radian while SOLID angle in STERADIAN. Plane angle is measured by an arc on circle WHOSE length is r units whereas solid angle is measured by an area on SPHERE whose area is r*r square units. Plane angle of full circle is 2π whereas solid angle of full sphere is 4π.

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Difference between solid angle and plane angle with neat labelled diagram​

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Difference between solid angle and plane angle with neat labelled diagram