CBSE Class 12-science Answered
But plz give me a little bit knowledge about how do these fields travel in vacuum
Just for understanding.
Asked by upmaniousagarika | 29 Jul, 2016, 06:30: PM
Expert Answer
They travel similar to water waves in a lake or waves on a string.
Whenever a source emits an electromagnetic ray, the waves travel just like water ripples would travel in water. They do not require any material to be present in order for the energy to be carried forward.
There is no need to consider energy transfer for these waves like one does for water waves on lake.
Answered by Romal Bhansali | 29 Jul, 2016, 06:56: PM
Concept Videos
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This video explains nature and characteristics of electromagnetic waves. -
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This video contains practice questions on characteristics of em waves.
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