{"id":88561,"date":"2025-06-01T07:14:52","date_gmt":"2025-06-01T07:14:52","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88561"},"modified":"2025-06-01T07:14:52","modified_gmt":"2025-06-01T07:14:52","slug":"the-loudness-of-sound-depends-upon-the","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-loudness-of-sound-depends-upon-the\/","title":{"rendered":"The loudness of sound depends upon the"},"content":{"rendered":"

The loudness of sound depends upon the<\/p>\n

[amp_mcq option1=”velocity of sound waves in the medium.” option2=”amplitude of the sound waves.” option3=”frequency of the sound waves.” option4=”frequency and velocity of the sound waves.” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is B) amplitude of the sound waves.
\n<\/section>\n
\nLoudness is the perceptual quality of sound that is most closely associated with intensity. Intensity is proportional to the square of the amplitude of the sound wave. A larger amplitude corresponds to a higher intensity and thus a louder sound.
\n<\/section>\n
\nThe frequency of sound waves determines the pitch of the sound. The velocity of sound waves in a medium depends on the properties of the medium (like density and elasticity) and temperature, but it does not directly determine the loudness for a given source and medium. While velocity and frequency are related to wavelength ($\\text{velocity} = \\text{frequency} \\times \\text{wavelength}$), loudness is fundamentally related to the energy or power carried by the wave, which is proportional to the square of its amplitude.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The loudness of sound depends upon the [amp_mcq option1=”velocity of sound waves in the medium.” option2=”amplitude of the sound waves.” option3=”frequency of the sound waves.” option4=”frequency and velocity of the sound waves.” correct=”option2″] This question was previously asked in UPSC NDA-2 – 2019 Download PDFAttempt Online The correct answer is B) amplitude of the sound … <\/p>\n

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