The graph shows the light intensity on a viewing screen during a double-slit int

Question

The graph shows the light intensity on a viewing screen during a double-slit interference experiment with green light

If the distance to the screen is increased, the peaks of the intensity pattern will

            (a) get farther apart

            (b) get closer together

(c) stay the same

If the spacing between the slits is increased, the peaks of the intensity pattern will

            (a) get farther apart

            (b) get closer together

            (c) stay the same

If the wavelength of the light is increased, the peaks of the intensity pattern will

            (a) get farther apart

            (b) get closer together

(c) stay the same

xid-46515134_2 The graph shows the light intensity on a viewing screen during a double-slit interference experiment with green light If the distance to the screen is increased, the peaks of the intensity pattern will½ (a) get farther apart (b) get closer together (c) stay the same If the spacing between the slits is increased, the peaks of the intensity pattern will½ (a) get farther apart (b) get closer together (c) stay the same If the wavelength of the light is increased, the peaks of the intensity pattern will½ (a) get farther apart (b) get closer together (c) stay the same

Explanation / Answer

1. if R is increased, I increases.   option A

2. if d is increased, I = decreases , option B

3. if L in increased, I increases , option A

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