Physics
Medium
Question
Electromagnetic waves travel in free space with the speed of___________________?
A
λ-rays
✓ Official correct answer
B
Positive rays
C
Cathode rays
D
More than sound waves
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A
λ-rays
No member explanations yet for this option.
B
Positive rays
No member explanations yet for this option.
C
Cathode rays
No member explanations yet for this option.
D
More than sound waves
No member explanations yet for this option.
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