Skip to main content
Super TutorResources
Chapter 18 of 32
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Chapter Summary

Sound and Communication

NIOS · Class 10 · Science & Tech

Summary of Sound and Communication for NIOS Class 10 Science & Tech. Key concepts, important points, and chapter overview.

43 questions20 flashcards5 concepts

Interactive on Super Tutor

Studying Sound and Communication? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.

Try Super Tutor — Free

1,000+ Class 10 students started this chapter today

An illustration of an experiment demonstrating that sound is produced by vibrations, using a bent metallic hanger (bow) and a stretched elastic string. Shows the string vibrating when plucked and a sm
Super Tutor

Learn better with visuals Super Tutor has hundreds of illustrations like this across every chapter — all free to try.

Get started

Overview

Sound is an integral part of our daily communication and plays a crucial role in how we interact with the world around us. From simple conversations to complex technological devices like SONAR and RADAR, sound waves enable us to communicate, navigate, and understand our environment. This chapter exp

Key Concepts

Sound is produced by vibrations

Sound is produced by vibrations and requires a medium (solid, liquid, or gas) to travel. When an object vibrates, it creates compressions and rarefact

Waves are characterized by four main

Waves are characterized by four main parameters: amplitude (maximum height), wavelength (distance between adjacent crests or troughs), frequency (numb

There are two main categories

There are two main categories: Mechanical waves (like sound) require a medium and include both transverse and longitudinal waves. Electromagnetic wave

Humans can hear frequencies between 16

Humans can hear frequencies between 16 Hz to 20,000 Hz. Sounds below 16 Hz are infrasonic, above 20 kHz are ultrasonic. Sound quality depends on loudn

SONAR (Sound Navigation and Ranging) uses

SONAR (Sound Navigation and Ranging) uses sound waves to detect objects underwater, while RADAR (Radio Detection and Ranging) uses electromagnetic wav

Learning Objectives

  • Understand the characteristics and nature of waves, particularly sound waves
  • Distinguish between mechanical waves (sound) and electromagnetic waves
  • Explain the applications of different types of waves in communication devices like SONAR and RADAR
  • Describe the importance and need for effective communication systems
  • Identify various communication systems and their technological applications

Frequently Asked Questions

What are the important topics in Sound and Communication for NIOS Class 10 Science & Tech?
Sound and Communication covers several key topics that are frequently asked in NIOS Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sound and Communication — NIOS Class 10 Science & Tech?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

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

More resources for Sound and Communication

All 32 chapters — NIOS Class 10 Science & Tech Chapter Summary

For serious students

Get the full Sound and Communication chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for NIOS Class 10 Science & Tech.

Try Super Tutor Free
Try the full chapter — Free