Guest

What is the solid angle substended by hemisphere on an external point?

What is the solid angle substended by hemisphere on an external point?

Grade:11

1 Answers

Nirmal Singh.
askIITians Faculty 44 Points
9 years ago
Solid angle dw = dA cos Theta / R2

For hemisphere surface area will be half so the solid angle will be 2 pi at an external point its unit is steradian dw = 2piR2cos 0 / R2 =2 pi steradian ….............................

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free