Question

Q.16 Because of------ red light is used for signals?

(a) High frequency
(b) High intensity
(c) Long wavelength
(d) High refraction

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Answer 1

Answer:

c) Long wavelength.

Explanation:

I hope it's helpful to you!!

Answer 2

Answer:

(C) long wavelenght

Explanation:

Red colour has longest wavelength. So it can visible from long distance in bad weather.