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1 vote
Which of the following is true about all electromagnetic waves in a vacuum?

a.they all carry the same energy.
b.they all travel at the same speed.
c.they all have the same frequency.
d.the all have the same wavelength.

User Mahn
by
8.1k points

2 Answers

3 votes

Its B! :D

All electromagnetic waves in a vacuum travel the same speed.

Ty!~Ceil

User Pdriegen
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8.2k points
7 votes
B.) They all travel at the same speed
User Dorald
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