Question

which colour has highest wavelength?
a. red
b.blue​

Answer 1

Answer:

Blue has higher wavelength than red but violet has the highest.

Explanation:

Red light (at one end of the visible spectrum) has a longer wavelength than blue light. ... Notice that as wavelength increases, frequency decreases. But there are waves with higher frequencies (shorter wavelengths) than blue light and waves with lower frequencies (longer wavelengths) than red light.

Answer 2

Answer:

Red

Explanation:

We see these variations as colors. On one end of the spectrum is red light, with the longest wavelength. Blue or violet light has the shortest wavelength.

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