Class 7 Online Courses

Chapter 24: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 24

Sound Waves Quiz Questions and Answers PDF - 31

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Sound Waves Questions & Answers PDF Download: MCQ Quiz 31

MCQ 151: The medical use of ultrasound is to detect

A) baby
B) cancer cells
C) infected parts of the body
D) damaged organs

MCQ 152: The exact speed of sound depends upon

A) pressure
B) temperature
C) density
D) mass

MCQ 153: The wave with compressions and rarefactions is known as

A) transverse waves
B) longitudinal waves
C) latitudinal waves
D) horizontal waves

MCQ 154: Ships use echolocation to measure the

A) size of fish
B) density of water
C) depth of water
D) area of ocean

MCQ 155: An example of 'percussion' is

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

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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)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)