A student performed an experiment as shown in the figure.What would be – McqOptions

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1.	A student performed an experiment as shown in the figure.What would be happened as air was pumped out of the jar and the electric bell rang?
A.	The sound became louder.
B.	The sound became fainter first and then louder once all the air was pumped out.
C.	The sound could not be heard anymore.
D.	The sound was the same as before.
Answer» D. The sound was the same as before.

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