(c) Why is a rainbow formed? Explain the concept briefly.
(d) What is a Newton's disc? What does it prove?
Answers
c) Answer:
A rainbow is caused by sunlight and atmospheric conditions.
Explanation:
Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors. When light exits the droplet, it makes a rainbow.
d) Answer:
A Newton disc is a disc with segments in rainbow colours.
Explanation:
When the disc is rotated, the colors fade to white; In this way Isaac Newton demonstrated that white light is a combination of the seven different colours found in a rainbow. ... This property is based on the principles of dispersion of light.
Answer:
A rainbow is formed due to the sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water.
A Newton's disc is a disc with segments in rainbow colour. When the disc is rotated, the colours fade to white. White light is a combination of the seven colours found in rainbow. This property is based on the principles of dispersion of light.
Explanation:
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