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CBSE Class 9 Answered

Can we hear the ringing of a mobile phone placed in a vacuum chamber?
Asked by Topperlearning User | 31 Dec, 2013, 12:13: AM
Expert Answer

No, we could not hear the ringing of a mobile phone placed in a vacuum chamber as sound waves needs a medium to travel and in vacuum there are no air particles. 

Answered by | 31 Dec, 2013, 02:13: AM
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