Question 9
a) What is lateral inversion? Give any one use of the same. [3]
b) How is a rainbow formed? [3]
c) Draw a ray diagram showing the reflection of light from a plane mirror. Mark incident and reflected
rays, normal, angle of incidence and reflectance on it.
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First 2 photos are a.) ans.
3 photo is b.) ans.
c.) I don't know.
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Explanation:
the word AMBULANCE is painted left-right inverted on the ambulance so that when the driver of a vehicle in front looks into his rear-view mirror, he can make out the word AMBULANCE quickly and give way. 2) The image formed in a looking mirror is also an example.
A rainbow is caused by sunlight and atmospheric conditions. 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.
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