Physics- The Double Slit Experiment

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10 Terms

1
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Λ

the wavelength of the light

2
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a

Separation of the slits (The width of the wire between them)

3
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x

distance between the bands (measure the width of a set of bands and divide by the number of spaces-between-bands you measured)

4
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D

the distance from the slits to the screen 

5
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What happens to the band spacing (x) on the screen if the distance to the screen (D) is doubled?

You would double x to keep the equation proportional

6
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If you double a, what happens to x?

It halves

7
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What is the equation to find wavelength?

Λ=ax/D

8
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What is the formula for the distance from the slits to the screen

D=ax/Λ

9
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What is the formula for the width of the wire between the slits?

a=DΛ/x

10
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What is the formula for the distance between bands?

x= DΛ/a