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`{:(,"Column A",,, "Column B"),(A., "Height of the cloud", (), a., "Gunny bags"),(B.,"Frequency, " n = 10 Hz, ( ), b., "Painful to humans"),(C., "Sound absorption", ( ), c., "Time Period " T = 0.1s),(D., "More than " 90 dB, ( ), d., "Speed of sound " xx " time interval"),(E., "Syrinx", (), e., "Ring of cartilage"):}`
A. `A to b, B to c, C to d, D to e, E to a`
B. `A to e, B to c, C to d, D to a, E to b`
C. `A to a, B to c, C to e, D to b, E to d`
D. `A to d, B to c, C to a, D to b, E to e`

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Correct Answer - D
`{:(A - d,, "Speed of the sound " = ("Height of the cloud")/("time taken")),(B - c,, n = 1/T", " " If " n = 10 Hz","),(,, rArr T = 1/n = 1/10 = 0.1 s),(C - a,, "Sound energy is absorbed by soft materials, like gunny bags, carpets, etc."),(D - b,, "The sound of loudness more than 90 dB is painful to humans."),(E - e,, "Birds produce sound with the help of cartilage called syrinx."):}`

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