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1. What is a continuous spectrum? What is a discrete spectrum?

2. What kind of light sources produce each type of spectrum?

3. The grading used his laboratory ) a. produce only images in the horizontal b. must be rotated in its holder until it produces the desired horizontal pattern c. produces images in the vertical direction d. produce images only left to the slit.

4. The diffraction grading is 14.3° is used at a distance L equals 50.0 cm from the slip. what is the distance D from the slip to the first order image for the blue green wave length of mercury ?show your work.

5. What is the voltage and current of the spectrum tube power supply?

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