1. Which of the following helps to explain chromatic abreviation in a refracting

Question

1. Which of the following helps to explain chromatic abreviation in a refracting telescope?

A. when light enters the lens, the frequency is lowered in a greater proportion for blue light than for red light.

B. when light enters the lens, the wavelenght is short - ended in a greater proportion for red light than for blue light.

C. When light enters the lens, the wavelenght is length- ended in a greater proportion for blue light than for red light.

D. When light enters the lens, the wavelength is short- ended in a greater proportion for blue light than for red light.

Explanation / Answer

D. When light enters the lens, the wavelength is short- ended in a greater proportion for blue light than for red light.

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