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  • Assertion: Electromagnetic waves interact with matter and set up oscillations. Reason : Interaction is independent of the wavelength of the electr

Assertion: Electromagnetic waves interact with matter and set up oscillations.
Reason : Interaction is independent of the wavelength of the electromagnetic wave.

Option: 1

If  both assertion and reason are true and the reason is the correct explanation of assertion


Option: 2

If both assertion and reason are true and the reason is not the correct explanation of assertion


Option: 3

If assertion is true but reason is false


Option: 4

If assertion is false but reason is true


Answers (1)

best_answer

Electromagnetic waves interact with matter via their electric and magnetic field which in the oscillation of charges present in all matter. The detailed interaction and so the mechanism of absorption, scattering, etc. depend of the wavelength of the electromagnetic wave, and the nature of the atoms and molecules in the medium. Three ways that waves may interact with matter are reflection, refraction, and diffraction. Reflection occurs when waves bounce back from a surface that they cannot pass through. Refraction occurs when waves bend as they enter a new medium at an angle and start travelling at a different speed.

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Rakesh

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