Maharashtra Board Solutions for Chapter: Sounds : Production of Sound, Exercise 3: Exercise

Author:Maharashtra Board

Maharashtra Board Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Sounds : Production of Sound, Exercise 3: Exercise

Attempt the practice questions on Chapter 18: Sounds : Production of Sound, Exercise 3: Exercise with hints and solutions to strengthen your understanding. General Science Standard Seven solutions are prepared by Experienced Embibe Experts.

Questions from Maharashtra Board Solutions for Chapter: Sounds : Production of Sound, Exercise 3: Exercise with Hints & Solutions

EASY
7th Maharashtra Board
IMPORTANT

Give scientific reasons. In earliest times, people used to listen for the arrival of a distant train by putting their ear to the rail.

EASY
7th Maharashtra Board
IMPORTANT

Give scientific reasons. The sounds generated by a tabla and a sitar are different.

EASY
7th Maharashtra Board
IMPORTANT

Give scientific reasons. If you were both on the moon, your friend will not be able to hear you call.

EASY
7th Maharashtra Board
IMPORTANT

Give scientific reasons, We can hear the movement of a mosquito's wings but we cannot hear the movement of our hands.

EASY
7th Maharashtra Board
IMPORTANT

How is sound produced?

EASY
7th Maharashtra Board
IMPORTANT

What does the intensity of sound depend upon?

EASY
7th Maharashtra Board
IMPORTANT

Explain how the frequency of oscillation is related to the length of a pendulum and the amplitude of its oscillation.

EASY
7th Maharashtra Board
IMPORTANT

Explain the two ways by which the pitch of the sound generated by a stretched string can be changed.