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Revision Notes

To Truly Understand a Rainbow

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

Quick revision notes for To Truly Understand a Rainbow — ICSE Class 7 English Literature : Book 'Gulmohar'. Key concepts, formulas, and definitions for last-minute revision.

44 questions38 flashcards5 concepts

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Key Topics to Revise

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.

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Full Notes

Key Concepts

Newton used a prism to splitThe coloured bands formed when whiteRefraction means bending of lightNewton concluded that the spectrum hasNewton used a second prism on

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 Chapter Overview – To Truly Understand a Rainbow, Newton's Discovery of Light and Color - Concept Overview, Key Events in Newton's Discovery. These are the concepts ICSE Class 7 examiners draw on most — study them first, then practise related questions.
How to score full marks in To Truly Understand a Rainbow — ICSE Class 7 English Literature : Book 'Gulmohar'?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and 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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