orbitzyx8281 orbitzyx8281

16-02-2021
Physics

contestada

PLEASE HELP QUICK which statement describes a primary difference between an electromagnetic wave and mechanical wave?

A. electromagnetic waves can travel through empty space

B. electromagnetic waves can be transverse longitudinal or surface waves

C. electromagnetic waves can only travel through solids liquids or gases

D. electromagnetic waves need a medium to transfer energy

Respuesta :

cjrodriguez89 cjrodriguez89

16-02-2021

Answer:

A.

Explanation:

An electromagnetic wave is produced by the interaction between a variable electric field, and a magnetic electric field, which propagates in space, even in vaccuum, at a fixed speed, whilst the mechanical waves require a medium in order to transfer energy.

Answer Link

oropeza16 oropeza16

22-05-2022

Answer: A

Explanation:

Answer Link

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