Red light is used in traffic signals because
(A) It has the longest wavelength
(B) It is beautiful
(C) It is visible to people even with bad eyesight
(D) None of these
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1
Answer:
It has the longest wavelength
sradha69:
ryt
It have longest wavelenght
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0
(A) because red light have longest wavelength and red in sign of danger and alert or stop
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