White light passes through a diffraction grating with horizontal slits, onto a s
ID: 2289980 • Letter: W
Question
White light passes through a diffraction grating with horizontal slits, onto a screen. The screen is centered on, and perpendicular to, the incident light ray. Besides the central white pattern, the screen can show what pattern?
a) two rainbow spectra, with red on the outsides of the two, and purple on the insides
b) 3 white lines
c) a rainbow spectrum, with red on top, and purple on bottom
d) a rainbow spectrum, with red on bottom, and purple on top
e) two rainbow spectra, with purple on the outsides of the two, and red on the insides
Explanation / Answer
d) a rainbow spectrum, with red on bottom, and purple on top
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