Chapter 12: Sound & Hearing - Science Mcqs for Grade 8


Q.  Sound travels at speed of 1482m/s in

a. air
b. water
c. steel
d. water


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  The wavelength of the high frequency sound wave is
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MCQs:  Sounds which are below 20Hz frequencies are called
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MCQs:  A form of energy which is produced by vibrations and can be detected by ears is called
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MCQs:  If the mass of protons and neutrons is 1, then the mass of electron is
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MCQs:  Radioactive particles give off
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MCQs:  Sodium becomes a cation when
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MCQs:  The symbol of potassium is
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