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How can u say em waves …

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How can u say em waves carry momentum?

Posted by Vikram Choudhary 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Aman Deep 7 years, 10 months ago

We can see EM wave have Momentum because when we place some electric or magnetic particle in its way it experience of force or Momentum so we can say the transfer of momentum has taken place EM wave has transfer her momentum

Suhail Raza 7 years, 11 months ago

U=1/2mv^2 Or U/v=1/2mv=1/2p Here 1/2 is for average hence P=U/v Also gamma rays can peneterate aluminium foil which is possible only if it has some force and force is the rate of change of momentum(Newton's second law) and the gamma rays are having em wave character....

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