2 physics quesion how is the speed of em-waves in vacuum determined by the electric and magnetic fields
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Hey !!
Speed of em waves is determined by the ratio of the peak values of electric field vector and magnetic field vector.
c = E₀ / B₀
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Answer:hii ....here is your answer.......
according to this formula..........we know that radius of the earth is inversely proportional to the acceleration due to gravity if radius increase acceleration due to gravity decrease and if radius decrease is acceleration due to gravity is increased .......
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