Variable Single Slit Diffraction

Type of activity: demo
Activity code:  L-005f


Description:

1. Connect as shown. 
2. Project laser from front bench or movable black trolley in room 102.

Method:
1. Turn on laser. 
2. Adjust variable slit slowly. 
a. Opening slit - produces narrow separation pattern. 
b. Narrowing slit - produces wide separation pattern.

Apparatus

Laser
F.L. Plano Convex Lens (238 mm)
Variable Slit
Jack
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