Question

Crossing Fingers

Procedure:
1. Hold your hand in front of a light source.
2. Let your index finger touch your middle finger slowly.
3. Observe the transmitted light between them.

Q1. What did you observe as you closed your two fingers slowly?
Q2. What did the result tell you about the colors of light?

Answer 1

Answer:

Light can bend around edges.

Light bends when it passes around an edge or through a slit. This bending is called diffraction. You can easily demonstrate diffraction using a candle or a small bright flashlight bulb and a slit made with two pencils.