MCQ Questions | Class 8 Science Chapter 13 | Sound with Answers

MCQ | Sound Class 8

Check the below NCERT MCQ Questions for Class 8 Science Chapter 13 Sound with Answers Pdf free download. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. We have Provided Sound Class 8 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 8

NCERT Solutions Class 8 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	8th
Subject:	Science
Chapter:	13
Chapters Name:	Sound
Medium:	English

Ncert Solutions for Class 8 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 8 Science Chapter 13 Sound to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Sound | Class 8 Science | NCERT Solutions

Q1.	class 8 mcq Cochlea is a part of
	A. hearing organ
	B. sound producing organ
	C. muscular organ
	D. air pollution

Ans: hearing organ

Q2.	class 8 science book 1 hertz is equal to
	A. 1 vibration per minute
	B. 10 vibrations per minute
	C. 60 vibrations per minute
	D. 600 vibrations per minute

Ans: 60 vibrations per minute

Q3.	class 8 science book pdf Sound cannot travel through
	A. air
	B. water
	C. iron
	D. vacuum

Ans: vacuum

Q4.	class 8 science chapter 13 The sound in the audible range is called
	A. ultrasonic sound
	B. sonic sound
	C. subsonic sound
	D. light sound

Ans: sonic sound

Q5.	class 8 science mcq The hearing range of human ear is
	A. 20 Hz to 20,000 Hz
	B. less than 20 Hz
	C. more than 20,000 Hz
	D. 20 Hz to 25,000 Hz

Ans: 20 Hz to 20,000 Hz

Q6.	class 8 science mcq online test Vibration in a body produce:
	A. energy
	B. sound
	C. heat
	D. none of these

Ans: sound

Q7.	class 8 science notes Pitch of sound is determined by its
	A. frequency
	B. speed
	C. amplitude
	D. loudness

Ans: frequency

Q8.	mcq class 8 science chapter 13 A shehnai produces sound from:
	A. vibrating strings
	B. vibrating membrane
	C. vibrating air column
	D. none of these

Ans: vibrating air column

Q9.	mcq for class 8 science chapter 13 The frequency of subsonic sound is
	A. more than 20 Hz
	B. 100 Hz
	C. less than 20 Hz
	D. more than 20,000 Hz

Ans: less than 20 Hz

Q10.	mcq for class 8 with answers sound Drum produces sound from:
	A. vibrating membrane
	B. vibrating stretched membrane
	C. vibrating strings
	D. none of these

Ans: vibrating stretched membrane

Q11.	mcq questions class 8 science The voice box is also called as
	A. stomach
	B. heart
	C. larynx
	D. mouth

Ans: larynx

Q12.	mcq questions class 8 science chapter 13 Frequency of oscillations is:
	A. the number of oscillations per minute
	B. the number of oscillations per hour
	C. the number of oscillations per second
	D. none of these

Ans: the number of oscillations per second

Q13.	mcq questions for class 8 science Sound is a kind of
	A. work
	B. energy
	C. force
	D. pressure

Ans: energy

Q14.	mcq questions for class 8 science chapter 13 The unit of frequency is:
	A. hertz
	B. hertz /sec
	C. hertz / min
	D. hertz / hour

Ans: hertz

Q15.	mcq questions for class 8 science sound Sound cannot travel through
	A. air
	B. water
	C. air
	D. vacuum

Ans: vacuum

Q16.	mcq questions class 8 science pdf The frequency determines the of a sound.
	A. loudness
	B. pitch
	C. both loudness and pitch
	D. none of these

Ans: pitch

Q17.	mcq questions class 8 science pdf with answer The sound in the audible range is called
	A. ultrasonic sound
	B. sonic sound
	C. subonic sound
	D. light sound

Ans: sonic sound

Q18.	mcq questions for class 8 science with answers chapter 13 When the amplitude is small, the sound produced is:
	A. loud
	B. feeble
	C. low pitched
	D. none of these

Ans: feeble

Q19.	ncert class 8 science book A pendulum oscillates 20 times in 4 seconds. Find its time period.
	A. 0.05 sec.
	B. 0.001 sec.
	C. 0.2 sec.
	D. 0.1 sec

Ans: 0.2 sec.

Q20.	ncert class 8 science book pdf The ultrasound equipment works at frequencies:
	A. higher than 20,000 Hz
	B. lower than 20,000 Hz
	C. less than 20 Hz
	D. none of these