CBSE Class 12-science Answered
which of the following does not travel in vaccum
Asked by writetoakashyadav | 28 Feb, 2024, 07:41: PM
Expert Answer
Sound waves does not travel in vacuum .
Radio waves and gamma ray are electro magnetic radiation.
( It is assumed one of the option ' magnetic wave ' means electro magnetic wave ).
Electromagnetic wave propagates due to fluctuation of electric and magnetic field . Hence no medium is required to propagate electromagnetic waves .
But sound waves are mechanical waves . Sound waves propagate due to pressure fluctuation or vibration of particles in the medium .
Hence sound waves propagate only through medium and does not travel in vacuum.
Answered by Thiyagarajan K | 29 Feb, 2024, 09:17: AM
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