Physics
Medium
Question
To measure the speed of an approaching car a police officer shines?
A
light waves on it
B
microwaves on it
C
radio waves on it
✓ Official correct answer
D
ultra high frequency waves on it
Community credibility
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A
light waves on it
No member explanations yet for this option.
B
microwaves on it
No member explanations yet for this option.
C
radio waves on it
No member explanations yet for this option.
D
ultra high frequency waves on it
No member explanations yet for this option.
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