Discussion :: Physics
- The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because
|
A.
The ringing is not loud enough |
|
B.
The glass of the bell jar absorbs the sound waves |
|
C.
The bell jar is too small |
|
D.
There is no air or any other gas in the bell jar |
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Answer : Option D
Explanation :
The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because there is no air or any other gas in the bell jar.
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