ISL Flashcards
1
Q
what is ISL?
A
a geometric consideration, an point source which will spread in all directions, it has no limits in range
2
Q
what is the equation?
A
I is indirectly proportional to d^2
3
Q
who obeys ISL?
A
all IR, sound, gravitational forces
4
Q
what happens as distance increases?
A
intensity decreases (the number of photons remains constant)
