Civil Engineering - Elements of Remote Sensing - Discussion


Which one of the following statements is correct?

[A]. π radians equal to 180°.
[B]. The cone subtended by an area on the sphere at the centre, is called the solid angle.
[C]. The solid angle is equal to the ratio of the area on the sphere and the square of the radius of the sphere.
[D]. The unit of the solid angle is steradian (Sr)
[E]. All of these

Answer: Option E


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