A pair of slits is located near a screen in such a way that light incident on th

Question

A pair of slits is located near a screen in such a way that light incident on the slits can form a double slit interference pattern on the screen.

(1.) Which of the following actions performed by itself would increase the angular position of the m = 2 minimum of the pattern (more than one answer may be correct)?

(2.) Which of the following actions performed by itself would decrease the distance along the screen between the pattern's center and the m = 4 maximum of the pattern (more than one answer may be correct)?

The answer choices for multiple select are as follows:

a. use a light with a longer wavelength

b. use a light with a shorter wavelength

c. Increase the distance from the slits to the screen

d. decrease the distance from the slits to the screen

e. use slits which are farther apart

f. use slits which are closer together

Explanation / Answer

1) a and e

dsin = m......( condition for a double slit).

sin is also proportional to y/L

above two equations, m, and y are directly proportional to the angle, you can lower those values to reduce the angle

2)a,c f

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