Green light has a shorter wavelength than orange light. In a 5- inch telescope, green light will
A) provide better angular resolution than orange light.
B) come to the same exact focus as orange light.
C) reduce the effects of atmospheric turbulence.
D) provide worse angular resolution than orange light.
E) allow dimmer stars to be observed.

Question

Quizplus · Accepted Answer

The angular resolution of a telescope is determined by the wavelength of light, with shorter wavelengths providing better resolution. Since green light has a shorter wavelength than orange light, it will provide better angular resolution.

Green Light Has a Shorter Wavelength Than Orange Light