Class 7 Online Courses

Chapter 24: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 24

Sound Waves Multiple Choice Questions PDF Download - 29

The e-Book Sound waves Multiple Choice Questions and Answers (MCQs), sound waves MCQ Quiz PDF, test 29 to study online class 7 science certificate courses. Practice Volume and Amplitude MCQs PDF, sound waves quiz questions and answers to learn distance learning courses. The Sound Waves MCQs App Download: Free learning app for volume and amplitude, sound waves and echoes, ultrasound test prep for online courses.

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Sound Waves Questions & Answers PDF Download: MCQ Quiz 29

MCQ 141: The loudness of sound depends on

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

MCQ 142: Bats also use 'ultrasound' to prevent

A) predators
B) homes
C) preys
D) obstacles

MCQ 143: The louder the sound is, the more the amplitude it

A) can
B) will
C) is
D) has

MCQ 144: The full name of ultrasound is

A) ultra high sounds
B) ultra pitch sounds
C) ultrasonic sounds
D) ultraviolet sounds

MCQ 145: The melting of a metal with the help of ultrasounds is known as

A) ultra welding
B) ultrasonic welding
C) ultrasound welding
D) ultraviolet welding

Sound Waves Learning App & Free Study Apps

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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)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)