Class 7 Science Online Tests
Vibrations and Sound waves MCQ (Multiple Choice Questions) PDF Download
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Vibrations and Sound waves MCQs: Questions and Answers PDF Download
The part of sound wave where air pressure is greater, is known as
- compression
- rarefaction
- consolation
- expansion
Sound is carried to our ears through
- pressure
- vibrations
- temperature effect
- humidity effect
Sound moves in air because
- temperature is passed on
- humidity is passed on
- pressure is passed on
- heat is passed on
The parts of sound waves where air pressure is lesser, is known as
- compression
- rarefaction
- consolation
- expansion
A hand bell stimulates the
- movement of air particles
- collision of air particles
- vibration of air particles
- energy of air particles
Class 7 Science Practice Tests
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