How are electromagnetic waves different from mechanical waves? (2 points)

a
Electromagnetic waves are all high frequency; mechanical waves are all low frequency.

b
Electromagnetic waves can travel through a vacuum; mechanical waves require a medium.

c
Electromagnetic waves are visible; mechanical waves are invisible.

d
Electromagnetic waves always reflect; mechanical waves always refract.

Question

02-02-2021
Physics

Answered

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How are electromagnetic waves different from mechanical waves? (2 points)

a
Electromagnetic waves are all high frequency; mechanical waves are all low frequency.

b
Electromagnetic waves can travel through a vacuum; mechanical waves require a medium.

c
Electromagnetic waves are visible; mechanical waves are invisible.

d
Electromagnetic waves always reflect; mechanical waves always refract.

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