Class 7 Online Courses

Chapter 24: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 24

Sound Waves Multiple Choice Questions (MCQ) PDF - 24

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Sound Waves Questions & Answers PDF Download: MCQ Quiz 24

MCQ 116: In water the speed of sound is

A) 100 m/s
B) 200 m/s
C) 1500 m/s
D) 2000 m/s

MCQ 117: An example of 'percussion' is

A) drum
B) piano
C) saxophone
D) violin

MCQ 118: The number of sound waves sent per second is known as

A) wave front
B) wavelength
C) frequency
D) amplitude

MCQ 119: Sound travels faster in liquids than air because

A) liquid is more dense
B) the particles in liquid are close
C) the particles in liquids have less energy
D) the particles in liquids collide less as compare to particles in air

MCQ 120: Echoes are useful for bats because through it bats can detect

A) size of the object
B) position of the object
C) size and position both
D) state of the object

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Sound Waves App (Android & iOS)

Sound Waves App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)