Рет қаралды 50,166
TO DETERMINE THE WAVELENGTH OF SODIUM LIGHT BY A PLANE DIFFRACTION GRATING.
(λ/GRATING EXPERIMENT)
STANDARD VALUE OF SODIUM LIGHT WAVELENGTH (λ) = 5890-5896 (Å)
LEAST COUNT OF SPECTROMETER (LC) = (1/60)° or 1' (1 MINUTE)
[TOTAL READING = MSR + VSD×LC]