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Question Number 3709 by Rasheed Soomro last updated on 19/Dec/15

W h a t i s a s o l i d a n g l e ?

H o w i s i t d e f i n e d ?

D o e s t h e c o r n e r o f a

c u b i c r o o m c a n b e s a i d

^{'} r i g h t s o l i d a n g l e^{'} ?

Answered by 123456 last updated on 20/Dec/15

a angle (radians) is the measure of arc

divided by his radius

θ = \frac{\overset{⌢}{l}}{r}

the solid angle is similiar to this, but

instead of lenght it take the surface of

it

℧ = \frac{S}{r^{2}}

the full solid angle of a sphere is 4 π

(steroradians, if im not wrong)

Commented by Rasheed Soomro last updated on 20/Dec/15

T h a n k s!

I s S a r e a o f s u r f a c e ?

W h a t s h a p e o f s u r f a c e S i s t a k e n ?

Commented by 123456 last updated on 20/Dec/15

spherical : v

Commented by Rasheed Soomro last updated on 20/Dec/15

W h a t i s d e f i n i t i o n o f steroradians ?

O f c o u r s e S i s a p o r t i o n o f s p h e r i c a l

s u r f a c e . W h a t i s t h e s h a p e o f t h e p o r t i o n ?