Class 7 Science MCQs - Chapter 24
Sound Waves Multiple Choice Questions (MCQ) PDF - 18
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The MCQs: Loss of sound energy depends on; "Sound Waves" App Download Android & iOS (Free) with answers the matter it is passing through, the density of an object, energy level of sound and resistance in a matter to learn online schools courses. Practice speed of sound quiz questions, download Apple Book (Free Sample) for school certificate.
Sound Waves Questions & Answers PDF Download: MCQ Quiz 18
MCQ 86: The loss of sound energy depends on
- the density of an object
- the matter it is passing through
- energy level of sound
- resistance in a matter
MCQ 87: A component of our body that reflects x-rays is known as
- heart
- bones
- stomach
- brain
MCQ 88: Sound waves spread out from
- the source
- air
- water vapors
- object
MCQ 89: The longer, the echo takes, the
- shallower the water
- the deeper the water
- the denser the water
- the warmer the water
MCQ 90: Sound moves in air because
- temperature is passed on
- humidity is passed on
- pressure is passed on
- heat is passed on
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