Question

Consider two gratings with the same slit separation. The only difference between the two gratings is that one grating has 5 slits and the other 10 slits. Both gratings are illuminated with a beam of the same monochromatic light. Which of the following statements are true?

Check all that apply.
a. The grating with 5 slits produces the greater separation between peaks.
b. Both gratings produce peaks of the same width.
c. The grating with 10 slits produces the greater separation between peaks.
d. Both gratings produce the same separation between peaks.
e. The grating with 10 slits produces better-defined (narrower) peaks.
f. The grating with 5 slits produces better-defined (narrower) peaks.

Answer 1

b. Both the gratings will produce the same separation of peaks.

e. The grating with 10 slits will produce better-defined(narrower) peaks.