Can you hear the ticking sound of an alarm clock when it is placed inside a bell jar with no air inside it?
Thus, we will not be able to hear the ticking sound of an alarm clock when it is placed inside a bell jar with no air inside it.
A partially inflated balloon is placed inside a bell jar connected to a vacuum pump. On creating vacuum inside the bell jar, balloon gets more inflated. How does the pressure change : increase, decrease or remains same, inside the (a) bell jar and (b) balloon ?
An alarm bell is kept inside a vessel as shown in the below figure. A person standing close to it can distinctly hear the sound of the alarm. Now if the air inside the vessel is removed completely how will the loudness of alarm get affected for the same person?
The sound coming from an alarm clock cannot be heard if it is kept inside a box that is