Experiment 2: The Index Of Refraction Of Air - PASCO OS-9255A Instruction Manual

012-07137A

Experiment 2: The Index of Refraction of Air

EQUIPMENT NEEDED:
Introduction
l
o
Procedure
1.
2.
3.
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l = l
/n;
o
2
1
0
0
Figure 2.1. Index of Refraction versus Gas
OS-9255A
l
MICHELSON, TWYMAN-GREEN
Figure 2.2. Equipment Setup
Setup and Operation
Precision Interferometer
Gas Pressure (cm Hg) Ž
Pressure
VIEWING SCREEN
PRECISION
MICHELSON, TWYMAN-GREEN
INTERFEROMETER
Vacuum Cell
Air Outlet
ADJUSTABLE MIRROR
1 div = 1 MICRON
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