Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQs) PDF Download - 5
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The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (sound waves MCQs PDF e-Book) download Ch. 23-5 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to study online school courses. The Sound Waves MCQs App Download: Free learning app for all around sounds, musics and musical sound, sound waves and noise, sound and vacuum, musical instruments test prep for online elementary school classes.
The MCQ: Vibrations are caused due to; "Sound Waves" App Download (Free) with answers: Change of pressure in air; Change of temperature of air; Effect of humidity on air; Level of heat in air; to study online school courses. Solve All Around Sounds MCQ Questions, download Google eBook (Free Sample) for online education.
Sound Waves MCQs with Answers PDF Download: Quiz 5
Vibrations are caused due to
- change of temperature of air
- change of pressure in air
- effect of humidity on air
- level of heat in air
The only thing of a note that can vary, is
- amplitude
- length
- wave
- type
Loud noise can
- damage our ears
- make us ill
- disturb our sleep
- interrupt conversation
We cannot hear alarm of a clock if there is
- vacuum in the jar
- air in the jar
- liquid in the jar
- solid in the jar
The third effecter of sound created by vibrating strings is
- angle of strings
- thickness of strings
- material of strings
- height of strings
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Grade 8 Science Mock Tests
Grade 7 Science Practice Tests
Grade 8 Science MCQ with Answers
- A disease Kwashiorkor is caused by deficiency of
- Type of aquatic animals that can survive in particular water is determined by analyzing its
- Number of vibrations in a second is called
- Special organ in mammals, birds and reptiles is
- Mutual relationship between two organism both benefiting each other is called