Question

20. Range of visible light is-
Above 750nm
(B) Between 400 to 750nm
(CI Below 390nm
(D) All of these​

Answer 1

Answer:

Between 400 to 750nm

Explanation:

Answer 2

Answer:

its B] between 400 to 750 nm

Explanation:

visible light is made of seven colors { VIBGYOR} in which the highest wavelength is of red (750nm)  and lowest is of violet (400nm)

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