Which of the following types of electromagnetic radiation travels at the greatest speed in vacuum?
Answer & explanation
Correct answer: option 4
All electromagnetic waves travels with the same speed c (= 3 × 108 ms-1) in vacuum.
Which of the following types of electromagnetic radiation travels at the greatest speed in vacuum?
Correct answer: option 4
All electromagnetic waves travels with the same speed c (= 3 × 108 ms-1) in vacuum.