5. If you could count how many slits there where per millimeter, how could you f

Question

5. If you could count how many slits there where per millimeter, how could you find the separation between the slits?

a. 1/slits per millimeter

b. lambda/slits per millimeter

c. The separation is the separation.

d. It is impossible without first measuring the width of a single slit.

e. slits per millimeter/lambda

8. What creates the constructive interference to create a spot of light at point p as shown in diagram 1 of the lab manual?

a. It is because thetan = 1 = &thetan = 2

b. d/sin(theta) = path difference

c. tan theta3 = y3x-1

d. path difference = d sin theta

e. alpha + theta = 180

Explanation / Answer

5) a)

6) d)

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