You are observing the Andromeda Galaxy using both photographic plates and a CCD.If you double the exposure time for both detectors, you
A) double the amount of light recorded by both the photographic plate and the CCD.
B) double the amount of light recorded by the CCD only.
C) double the amount of light recorded by the photographic plate, but the CCD records less.
D) double the amount of light recorded by the photographic plate, but the CCD records more.
E) record less than twice the amount of light on both the photographic plate and the CCD.

Question

Quizplus · Accepted Answer

The Answer of You are observing the Andromeda Galaxy using both photographic plates and a CCD.If you double the exposure time for both detectors, you
A) double the amount of light recorded by both the photographic plate and the CCD.
B) double the amount of light recorded by the CCD only.
C) double the amount of light recorded by the photographic plate, but the CCD records less.
D) double the amount of light recorded by the photographic plate, but the CCD records more.
E) record less than twice the amount of light on both the photographic plate and the CCD.

You Are Observing the Andromeda Galaxy Using Both Photographic Plates