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Revision Notes

Noise How it Affects Our Lives

NIOS · Class 10 · English

Quick revision notes for Noise How it Affects Our Lives — NIOS Class 10 English. Key concepts, formulas, and definitions for last-minute revision.

42 questions33 flashcards5 concepts

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A comparison chart illustrating the difference between 'sound' (pleasant, tolerable) and 'noise' (unpleasant, harmful) with examples.
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Key Topics to Revise

1

1. Noise and Sound

  • Noise is an unpleasant sound that is not liked by the ear.
  • Sound can be pleasant, but noise is harsh or disturbing.
  • Examples of noise include the wail of a fire engine, the clap of thunder, and the screech of tyres.
2

2. Measuring Sound and Important Decibel Values

  • Sound level is measured in decibels using a decibel meter.
  • Zero decibel is the faintest sound heard by the human ear.
  • A quiet bedroom measures 35 decibels.
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3. Effects of Noise on Health

  • Noise pollutes the environment and harms health.
  • Noise can cause illness and deafness.
  • The human body reacts to noise even during sleep.
4

4. Reduce Noise at Home, School, and in Public Places

  • At school, books should be placed quietly instead of slammed on the desk.
  • People should walk quietly through halls instead of making noise.
  • At home, only one mechanical device should be used at a time.

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Full Notes

Key Concepts

Sound is not always noiseSound level is measured in decibelsNoise begins to damage ears atNoise pollution harms the bodySounds heard during sleep can endanger

Frequently Asked Questions

What are the important topics in Noise How it Affects Our Lives for NIOS Class 10 English?
Key topics in Noise How it Affects Our Lives include Noise Pollution: Causes, Effects, and Solutions, Chapter Overview: Noise and Its Effects, Comprehensive Overview of Noise Pollution. These are the concepts NIOS Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Noise How it Affects Our Lives — NIOS Class 10 English?
Understand the core concepts first, then work through the 42 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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