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An electromagnetic wave consists of oscillating electric and magnetic field vector. The phase difference between the two oscillating field is

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Important Questions on Electromagnetic Waves

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 7
If E→ and B→ represent the electric and magnetic field vectors of the electromagnetic waves, then the direction of propagation of the electromagnetic waves is that of
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 1
If in a region there is a time varying electric field then which of the following Maxwell's equation will be most suitable?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 2
Which of the following electromagnetic radiations is used for viewing through haze and fog?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 3
An electromagnetic wave travels in a medium with speed 2×108 m s-1. If relative permeability of medium is 1.0, then relative permittivity is
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 4
Which physical quantity is same for X-rays and γ-rays in vacuum?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 5
Which of the following EM radiations has least wavelength?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 6
The magnetic field in a plane electromagnetic wave is given by=2×10-7sin0.5×103x+1.5×1011t. This electromagnetic wave is
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 7
Which of the following represents an infra-red wavelength?