Class 9 Science SOUND Mix Example - SOUND

Easy

State whether the following statement is true or false: Sound and light travel in a medium in the form of crests and troughs and rarefactions and compressions respectively.

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Vedclass pdf generator app on play store

Solution

(FALSE) The statement is False.
Sound waves are longitudinal waves that travel in a medium in the form of compressions and rarefactions.
Light waves are electromagnetic waves (transverse waves) that travel in a medium in the form of crests and troughs.

Explore More

Browse All

Question Bank

All Subjects

Class 9 Questions

Class 9

Science Questions

Chapter

SOUND

Subtopic

Mix Example - SOUND

$(a)$ $A$ boy strikes one end of a long pipe with a stone. Another boy who keeps his ear close to the other end of the pipe hears two sounds in a short interval of time. Explain why.
$(b)$ List two uses of ultrasonics.

Medium

View Solution

Flash of lightning reaches earlier than the sound of thunder. Why?

Easy

View Solution

$(a)$ List in tabular form the distinguishing features between longitudinal waves and transverse waves. Give an example of each.
$(b)$ State and define the characteristics associated with sound waves.

Medium

View Solution

In $SONAR$, we use

Easy

View Solution

The rear view mirror of a motorbike starts vibrating violently at a particular speed of the motorbike.
$(a)$ Why does this happen?
$(b)$ What is the name of the phenomenon taking place?
$(c)$ What could be done to stop the violent vibration?

Medium

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo

State whether the following statement is true or false: Sound and light travel in a medium in the form of crests and troughs and rarefactions and compressions respectively.

Similar Questions

$(a)$ $A$ boy strikes one end of a long pipe with a stone. Another boy who keeps his ear close to the other end of the pipe hears two sounds in a short interval of time. Explain why.$(b)$ List two uses of ultrasonics.

Flash of lightning reaches earlier than the sound of thunder. Why?

$(a)$ List in tabular form the distinguishing features between longitudinal waves and transverse waves. Give an example of each.$(b)$ State and define the characteristics associated with sound waves.

In $SONAR$, we use

The rear view mirror of a motorbike starts vibrating violently at a particular speed of the motorbike.$(a)$ Why does this happen?$(b)$ What is the name of the phenomenon taking place?$(c)$ What could be done to stop the violent vibration?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

$(a)$ $A$ boy strikes one end of a long pipe with a stone. Another boy who keeps his ear close to the other end of the pipe hears two sounds in a short interval of time. Explain why.
$(b)$ List two uses of ultrasonics.

$(a)$ List in tabular form the distinguishing features between longitudinal waves and transverse waves. Give an example of each.
$(b)$ State and define the characteristics associated with sound waves.

The rear view mirror of a motorbike starts vibrating violently at a particular speed of the motorbike.
$(a)$ Why does this happen?
$(b)$ What is the name of the phenomenon taking place?
$(c)$ What could be done to stop the violent vibration?