Calculate the spectral line wavelength λ using the equation d sin 0 m X and its uncertainty X using the equation |åd sin 0+180 d cos δλ =
Calculate the spectral line wavelength λ using the equation d sin 0 m X and its uncertainty X using the equation |åd sin 0+180 d cos δλ =
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Physics
Transcribed Image Text:Calculate the spectral line wavelength > using the
equation
X
and its uncertainty X using the equation
|dd sin 0+180 d cos
m
SX =
d sin
m
where
d = 1656 ± 3 nm, 0 = 35.95° ± 0.10°, m = 2.
Enter the numerical value of the result, followed by its
uncertainty, in units of nanometers:
λ =
H
nm
NOTE: Round off the uncertainty in the result to one
or two significant figures, then round off the result to
the same number of decimal places as its uncertainty.
NOTE: 80 must first be converted from degrees to
radians before it is used to calculate SA, i.e., multiply
80 by π and divide by 180°. Using a value of 50 in
degrees will cause SX to be incorrect and much too
large.
Transcribed Image Text:230
240
5
1.0
250
Read the angle from the Vernier scale shown in the
picture and enter the value with the correct number of
decimal places.
NOTE: This Vernier scale allows angles to be read with
0.1° precision.
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