Question
Electromagnetic radiation travels through vacuum at a speed of __________ m/s.
Question 20 options:
a) 6.9
b) 9.81
c) 3 x 108
d) 3000
e) It depends on wavelength
Question 20 options:
a) 6.9
b) 9.81
c) 3 x 108
d) 3000
e) It depends on wavelength
Answers
Answered by
GPT 3.5
c) 3 x 108
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