In which situations is light travelling in a vacuum???
4. Which of the following statements best describes an electromagnetic waves with
a long avelength?
A. It has a low frequency and can travel in a vacuum.
B. It has a high frequency and can travel in a vacuum.
C. It has a low frequency and can only travel in a medium
D. It has a high frequency and can only travel in a medium.
4. Which of the following statements best describes an electromagnetic waves with
a long avelength?
A. It has a low frequency and can travel in a vacuum.
B. It has a high frequency and can travel in a vacuum.
C. It has a low frequency and can only travel in a medium
D. It has a high frequency and can only travel in a medium.
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Answer:
4.d
Explanation:
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Answer
C. It has a low frequency and can only
travel in a medium.