Question

(ii)
1
In the given figure, a vessel is half filled
with water and the air is removed
through the vacuum pump. An alarm
clock is placed inside the vessel at
positions A and B one by one. At which
position will you be able to hear the
sound and why?
vacuum
pump
A
B​

Answer 1

Answer:

( B )because there will have water which produces sound but in A here air is completely removed.

we all know sound produce faster in the air.

In-vessel air is removed.