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Chapter 27: Q19PE (page 997)

Using the result of the problem above, calculate the distance between fringes for 633nm light falling on double slits separated by 0.0800mm, located 3.00mfrom a screen as in Figure 27.56.

Short Answer

Expert verified

The distance between the fringes is 2.37cm.

Step by step solution

01

Given data

The wavelength used for the interference is位=633nm10-9m1nm=6.33脳10-7m

The separation between the slits isd=0.0800mm10-3m1mm=8.00脳10-5m

The distance of the screen is x=3.00 m.

02

Evaluating the distance

Using the result of the question solved before, we then observe that: 鈭�y=x位d.

We then substitute this equation using the given values in the problem.

Then, we get:

鈭�y=x位d=3.00m脳6.33脳10-7m8.00脳10-5m=0.0237m100cm1m=2.37cm

Therefore, the distance between the fringes is 2.37cm.

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