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Chapter 09 of Marigold ncert book titled - Clouds; Anandi's Rainbow for class 1
Read Chapters: A Happy Child; Three Little Pigs, After a Bath; The Bubble; the Straw; and the Shoe, One Little Kitten; Lalu and Peelu, Once I Saw a Little Bird; Mittu and the Yellow Mango, Merry-Go-Round; Circle, If I Were an Apple; Our Tree, A Kite; Sundari, A Little Turtle; The Tiger and the Mosquito, Clouds; Anandi's Rainbow, Flying-Man; The Tailor and his Friend,
Clouds Fair and white, grey and black, The clouds arrive in a magic pack. Elephants and horses, Dogs and fawns. Sometimes they look, Like a pair of swans. In moments they come, In moments they go. Sometimes they freeze, and for weeks they stay, And sometimes they disappear, For many a day. Sometimes they pour, Sometimes they thunder. Spreading the colours, In a rainbow of wonder. And sometimes ...
Rainbow is a natural phenomenon showing dispersion. Fig. 16.13 : Dispersion of light Fig. 16.14 : Human eye Caution : For this activity, never use a laser torch. Activity 16.8 Look into your friend’s eye. Observe the size of the pupil. Throw light on her eye with a torch. Observe the pupil now. Switch off the torch, and observe her pupil once ...
There are a number of common wonderful phenomena associated with light such as image formation by mirrors, the twinkling of stars, the beautiful colours of a rainbow, bending of light by a medium and so on.