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Wave Nature of Light

Electromagnet...

Question

Electromagnetic waves are produced by:

A

constant electric field

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B

constant magnetic field

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C

changing electric field and magnetic field

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D

constant electric field and changing magnetic field

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Solution

The correct option is C changing electric field and magnetic field
Electromagnetic waves are created by the vibration of both electric field and magnetic field. These field are perpendicular to each other and at right angle to the direction of propagation of the wave.

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. electric field and magnetic field are parallel to each other.

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. electric field and magnetic field are perpendicular to each other.

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. electric field and magnetic field both are perpendicular to direction of propagation of wave.

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a) Electric field and magnetic field are basically independent
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Which of the above are correct

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