6.6: Inverse Square Law (Higher Only) Flashcards
1
Q
What happens to light intensity as distance from the source increases?
A
Light intensity decreases with the square of the distance from the source.
2
Q
What is the formula that represents the relationship between light intensity and distance?
A
Light Intensity ∝ 1/Distance²
3
Q
If a lamp is 2 m away, what is its intensity compared to when it is 1 m away?
A
The intensity is ¼ that of the intensity at 1 m.
4
Q
Why do plants closer to light grow faster?
A
Because they receive higher light intensity.
