Question

please can someone answer the question of science , shown in the picture​

Answer 1

Answer:

No

Explanation:

because vacuum pump will create vacuum inside jar and sound can't travel in vacuum.

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Answer 2

Answer:

No, the sound won't be heard outside the bell jar.

Explanation:

Sound waves do not travel in vacuum. Since the bell jar is completely packed and the pump attached is too of vacuum, therefore sound dies not travel outside the bell jar.