Q: The radar used by police to check over-speeding vehicles works on the principle of
(a)Raman effect
(b)Induction effect
(c)Doppler effect
(d)Coulomb effect
Correct Answer: (b)
Detailed explanation coming soon.
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CAPF 2020Q. 5 of 119
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Q: The radar used by police to check over-speeding vehicles works on the principle of
Correct Answer: (b)
Detailed explanation coming soon.