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The electromagnetic waves travel with a velocity

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Important Questions on Electromagnetic Waves

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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 48
A capacitor is having a capacity of 2 pF. Electric field across the capacitor is changing with a value of 1012 V s-1. The displacement current is
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 49
What is the cause of "Green house effect"?
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 50
The velocity of electromagnetic wave is parallel to
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 51
Which of the following rays are not electromagnetic waves?
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 52
Which of the following waves have the maximum wavelength ?
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 53
Which of the following radiation has the least wavelength?
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 54
Which of the following required no medium for propagation ?
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 55
A radiation of energy E falls normally on a perfectly reflecting surface.The momentum transferred to the surface is