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The speed of electromagnetic waves is independent of

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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 31
If ε0 and μo are the electric permittivity and magnetic permeability and the free space and ε and μ are the corresponding quantities in a medium, then the index of refraction of the medium is
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 32
If an electromagnetic wave propagating through vacuum is described by following then E=E∘sinkx-ωt; B=B∘sinkx-ωt
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 33
A magnetic field can be produced by
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 34
An electric charge in uniform motion produce:
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 35
The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 36
The ozone layer blocks the radiation of wavelength:
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 37
The velocity of light in vacuum can be changed by changing
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Alpha Question Bank for Medical: Physics>Chapter 29 - Electromagnetic Waves>Exercise-1>Q 38
In an electromagnetic wave, the electric and magnetizing fields are 100 Vm-1 and 0.265 Am-1. The maximum energy flow is