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Statement A: Speed of sound is same at different temperature
Statement B: Loudness is measured in decibels.
Which of the two statements is true?
Statement B: Loudness is measured in decibels.
Which of the two statements is true?
- a)Statement B
- b)Statement A
- c)Both A and B
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Statement A: Speed of sound is same at different temperatureStatement ...
Speed of sound is different at different temperature. With increase in temperature, speed of sound increases.
The loudness of sound is measured in units called decibels (dB). A decibel unit expresses the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 100 dB, which is near the level most people find uncomfortably loud.
Most Upvoted Answer
Statement A: Speed of sound is same at different temperatureStatement ...
Option b)is the right answer. As the molecules at high temperature have more energy so they vibrate faster , and can travel quickly.However the speed of sound is also affected by other factors such as humidity and air pressure. The SI unit of loudness is decibel .Hope it will help you!!!!
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Statement A: Speed of sound is same at different temperatureStatement B: Loudness is measured in decibels.Which of the two statements is true?a)Statement Bb)Statement Ac)Both Aand Bd)None of theseCorrect answer is option 'C'. Can you explain this answer?
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