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19 March, 20:45

All BUT one statement applies to electromagnetic radiation. That is

A) Radio waves are a form of electromagnetic radiation.

B) Electromagnetic radiation does not require a medium to travel.

C) In a vacuum, electromagnetic radiation travels at the speed of light.

D) Electromagnetic radiation travels in the form of longitudinal waves.

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  1. 20 March, 00:25
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    A) Radio waves are a form of electromagnetic radiation.

    TRUE

    It is the type of electromagnetic wave with least energy range and longest wavelength range among all

    B) Electromagnetic radiation does not require a medium to travel.

    TRUE

    This radiation can travel through vacuum also and its speed is maximum in vacuum

    C) In a vacuum, electromagnetic radiation travels at the speed of light.

    TRUE

    speed of all electromagnetic radiation is same as speed of light in vacuum

    D) Electromagnetic radiation travels in the form of longitudinal waves.

    FALSE

    All electromagnetic radiation is always in form of transverse waves

    So correct options are

    A, B, C
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