MCQ 11 MarkSound travels the fastest inAliquids✓solidsCgasesDvacuumAnswerCorrect option: B. solidsView full question & answer→
MCQ 21 MarkThe speed of sound in water isA332 m✓1500 mC5000 m sD1000 m sAnswerCorrect option: B. 1500 m1500 mView full question & answer→
MCQ 31 MarkWavelength is measured inAkgBsecondClitre✓meterAnswerCorrect option: D. meterView full question & answer→
MCQ 41 MarkThe minimum distance required between the source and the reflector so as to hear the echo in air isA10 m✓17 mC34 mD50 mAnswerCorrect option: B. 17 m17mView full question & answer→
MCQ 51 MarkSound cannot travel inAgasesBliquidsCsolids✓vacuumAnswerCorrect option: D. vacuumView full question & answer→
MCQ 61 MarkWe can hear sound of frequencyA10 Hz✓500 HzC100,000 HzD50,000 HzAnswerCorrect option: B. 500 Hz500 HzView full question & answer→
MCQ 71 MarkWe can distinguish a shrill sound from a flat sound by itsAamplitudeBloudness✓pitchDnone of the above.AnswerCorrect option: C. pitchView full question & answer→