Question

Sona was standing outside her house in the afternoon enjoying a the light drizzle after the

heavy rain. Suddenly she saw a rainbow in the sky. Sona called out her father and asked

him what a rainbow is how is it formed. Sona’s father told her that rainbow is an arc of

seven colours visible in the sky which is produced by the splitting of white light by tiny

rain drops present in the atmosphere. He also told Sona that a similar phenomenon can

also be observed in a science laboratory by passing white light through a transparent

object.

(a) What is the name of the phenomenon which produces the rainbow?

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(b) Which colour appears on the upper side of the rainbow and the lower side on the

rainbow?

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(c) When the rainbow is formed, state whether the sun is shining in the sky or not?

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Answer 1

Answer:

a) due to the phenomenon of Isaac circle. b) upper side red, lower side violate c) yes

Answer 2

Answer:

a.rain

b.voilet on upper side of rainbow and red on lower side of rainbow

c.no.sun is not shining in the sky when rainbow is formed.