Sound quiz grade VII
Quiz by Harshada
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10 questions
Show answers
- Q1The maximum displacement of a vibrating particle from its mean position is know as itsFrequencyAmplitudepitchloudness30s
- Q2Sound of which of the following frequencies may be detected by the human ear?45000 Hznone of these4.5 Hz4500Hz30s
- Q3Sound travels the fastest inSolidsmolten solidsliquidsgases30s
- Q4The number of to and fro movements executed by a vibrating particle in one second is known as itsparticle velocityLoudnessFrequencyamplitude30s
- Q5With an increase in the atmospheric temperature, the velocity of soundremains constantincreases drasticallyincreases slightlydecreases30s
- Q6Which of the following waves is used in echo-cardiography?infrasonicnone of theseultrasonictransverse30s
- Q7Tuning forks are used forTuning musical instrumentsTuning radio setsProducing sound while performing experiments in physicsProducing soft music30s
- Q8The walls and floor of sophisticated auditoriums are covered withGood absorbers of soundGood conductors of soundGood transmitters of soundGood reflectors of sound30s
- Q9Sound is a type ofElectromagnetic waveLight waveTransverse waveLongitudinal wave30s
- Q10For distinctly hearing an echo from a well, the depth of the well should be at least27 m35 m7 m17 m30s