MCQ: Waves which require medium for propagation are
electromagnetic
mechanical
transverse
longitudinal
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Answer:
Waves which require medium for propagation are electromagnetic.
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ELECTROMAGNETIC WAVES
Waves which require medium for propagation are ELECTROMAGNETIC
CHARACTERISTICS OF ELECTROMAGNETIC WAVES:
*Electromagnetic radiation has a wide variety of wavelengths and frequencies, each of which corresponds to a different energy intensity and amount.
* An electromagnetic wave travels in a path perpendicular to the vibrations of both the electric and magnetic oscillating field vectors, transferring energy from the source to an unknown final destination.
* Electromagnetic waves travel at the speed of light.
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