(b) A sphere of radius 1 cm vibrates with a volume velocity of 1 × 104 m³/s at frequency of 2000 Hz, parallel to a wall as shown in Figure Q4(b). What will be the sound pressure level in dB at point A: i. With the wall absent; ii. With the wall present. 2m 2m Wall Figure Q4(b)
(b) A sphere of radius 1 cm vibrates with a volume velocity of 1 × 104 m³/s at frequency of 2000 Hz, parallel to a wall as shown in Figure Q4(b). What will be the sound pressure level in dB at point A: i. With the wall absent; ii. With the wall present. 2m 2m Wall Figure Q4(b)
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Transcribed Image Text:(b) A sphere of radius 1 cm vibrates with a volume velocity of 1 × 104 m³/s at frequency of
2000 Hz, parallel to a wall as shown in Figure Q4(b). What will be the sound pressure level
in dB at point A:
i.
With the wall absent;
ii.
With the wall present.
2m
2m
Wall
Figure Q4(b)
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