Quantitative Spectroscope and Visible Light Homework Help

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Exercise 1: Building and Calibrating a Spectroscope
Please complete the questions as you work on the exercise.
Hold the grating several inches from your face, at an angle. Look at the grating that you will be
using. Record what details you see at the grating surface.
Hold the diffraction grating up to your eye and look through it. Record what you see. Be specific.
Before mounting the diffraction grating, look through the opening that you made for your grating.
Record what you see across the back of your spectroscope
After mounting the diffraction grating, look through your spectroscope and record what you see
across the back of your spectroscope. Be specific
Starting at the light inlet slit and going outward, what colors do you see in the spectrum? List
them all.
When you view the spectrum, you should be able to see a spectral image to the right and left of
the light inlet slit. How are the spectral images the same? How are they different? Record your
findings
Try narrowing and widening the light inlet slit. How does this affect the spectra that appear?
Compare the shape, thickness, and resolution of the spectral lines before and after narrowing the
slit. Record your findings.