Maharashtra Board Solutions for Chapter: Sound, Exercise 4: Exercises

Author:Maharashtra Board

Maharashtra Board General Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Sound, Exercise 4: Exercises

Attempt the practice questions on Chapter 15: Sound, Exercise 4: Exercises with hints and solutions to strengthen your understanding. General Science solutions are prepared by Experienced Embibe Experts.

Questions from Maharashtra Board Solutions for Chapter: Sound, Exercise 4: Exercises with Hints & Solutions

EASY
8th Maharashtra Board
IMPORTANT

Medium is _____(required/ not required) for generation of sound.

EASY
8th Maharashtra Board
IMPORTANT

The total number of compressions and rarefactions produced per second in a sound wave is 1000. The frequency of the sound wave is _____ .

(Choose from: 500 Hz/1000 Hz/2000 Hz )

EASY
8th Maharashtra Board
IMPORTANT

Different sound notes have different _____ (frequencies/ amplitudes).

MEDIUM
8th Maharashtra Board
IMPORTANT

Give scientific reasons when the sound wave propagates from one place to the other in air, why the air itself is not required to move from one place to the other.

HARD
8th Maharashtra Board
IMPORTANT

How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?

MEDIUM
8th Maharashtra Board
IMPORTANT

How is sound produced in a human larynx and a loudspeaker?

HARD
8th Maharashtra Board
IMPORTANT

Explain the experiment, with neat diagram, to prove the following : ‘Sound needs material medium for propagation.’

HARD
8th Maharashtra Board
IMPORTANT

Match the following:

Human larynx Vibrations of metal arms
Loudspeaker Vibrations in air column
Jal-tarang Vibrations in vocal cords
Tuning fork Vibrations in strings
Sitar Vibrations of screen