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Chapter 2 of 11
Syllabus

To Truly Understand a Rainbow — Syllabus

ICSE · Class 7 · English Literature : Book 'Gulmohar'

What To Truly Understand a Rainbow covers in ICSE Class 7 English Literature : Book 'Gulmohar': 4 topics, for the 2026-27 session.

44 questions38 flashcards5 concepts

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4 Topics · ICSE Class 7 English Literature : Book 'Gulmohar' · 2026-27

Topics in To Truly Understand a Rainbow

1

Newton and the discovery of light

  • Isaac Newton was an unpopular, solitary, brilliant college student in the early 1660s.
  • He bought two prisms at a market near his college, even though he had very little money.
  • The Great Plague spread through London and forced Newton to leave college and go to Woolsthorpe Manor.
2

The crucial experiment and Newton's theory

  • Newton performed an experimentum crucis, which means a crucial experiment.
  • He placed a screen between the window and the prism and made a slit in the screen.
  • Only pure green light was allowed to pass through the slit.
3

Rainbow and scientific thinking

  • Newton's discovery helped explain how a rainbow is formed.
  • A natural rainbow forms when sunlight is refracted, reflected, and dispersed inside water droplets in the atmosphere.
  • Newton showed that white light can split into many colours.
4

Coromandel Fishers by Sarojini Naidu

  • Sarojini Naidu was known as The Nightingale of India.
  • She also wrote The Bazaars of Hyderabad and The Wandering Singers.
  • The poem is a call to the fishermen to go out to sea early in the morning.

Key Concepts

Central concept: Newton's discovery that white light contains all colours and that a prism separates them into a spectrum

Isaac NewtonThe Great PlagueOld ideas about white lightPrism experimentSpectrum and coloursWavelength and refractionCrucial experimentRainbow formation

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Frequently Asked Questions

What are the important topics in To Truly Understand a Rainbow for ICSE Class 7 English Literature : Book 'Gulmohar'?
Key topics in To Truly Understand a Rainbow include Newton and the discovery of light, The crucial experiment and Newton's theory, Rainbow and scientific thinking, Coromandel Fishers by Sarojini Naidu. Study these first, then practise questions on each for Class 7 exams.
How should I revise To Truly Understand a Rainbow for Class 7 exams?
Learn the core ideas first, then work through the 44 practice questions on To Truly Understand a Rainbow. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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