Class 7 Courses

Class 7 Science Exam Prep

Class 7 Science MCQs - Chapter 24

Sound Waves Multiple Choice Questions (MCQ Quiz) PDF Download - 1

The Book Sound waves Multiple Choice Questions and Answers (MCQs), sound waves quiz answers PDF 1 to study online courses, class 7 science tests. Practice Speed of Sound MCQs, sound waves quiz questions and answers for online school and college. The App Sound Waves MCQ e-Book PDF Download: speed of sound, all around sounds, sound absorption test prep for online school and college.

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Class 7 Science: Sound Waves MCQs Questions PDF Download

MCQ: As compare to air, sound travels faster in

A) liquids
B) gases
C) vacuum
D) fluids

MCQ: Sounds of vehicles, aircrafts and machines are called

A) artificial sounds
B) natural sounds
C) noise
D) normal sounds

MCQ: Large empty room often sounds

A) full
B) hollow
C) noisy
D) repeating

MCQ: For communication astronauts use radio because

A) sound travels at very high speed in vacuum
B) sound does not travel in vacuum
C) vacuum repels sounds
D) sound energy turns into light in vacuum

MCQ: In concert halls, soft materials and carpets are used to

A) increase sound waves
B) absorb sound waves
C) retract sound waves
D) refract sound waves

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