11. On a sunny day when we pass under a tree covered with large number of
leaves, we often see bright patches of light on the ground (under the tree)
a) What are the bright circular patches of light?
b) Which effect is illustrated by the everyday observation described above?
What acts as screen in this case?
Answers
Answer:
a) The bright circular patches of light under the tree is called pinhole images, the source of the light is the sun, the dry porous leaves and the gaps between the leaves acts as the screen, and the phenomenon is known as the diffraction of lights.
Explanation:
Answer:
The bright circular patches of light under the tree is called pinhole images, the source of the light is the sun, the dry porous leaves and the gaps between the leaves acts as the screen, and the phenomenon is known as diffraction of lights , when you light a candle or a torch you can see the objects present in the ... You know that the dark patch formed by each on the ground is due to its shadow. ... such surfaces act as a screen for the shadows you observe in everyday life. ... Sometimes, when we pass under a tree covered with large number of leaves
Explanation: