You find two unlabelled diffraction gratings in your lab. From purchase records, you know that one grating has 5000 lines/cm, while the other has 10 000 lines/cm. Given the following equipment, describe how you would determine which is the grating with 10 000 lines/cm:(adsbygoogle = window.adsbygoogle || []).push({});

• Red laser

• detection screen

• the two unknown diffraction gratings

describe what difference you would observe.

n = d sin(theta)

d=1/5*105 = 2*10-6

d=1/1*106= 10-6

I don’t know how to start can someone give me any idea about this question

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# Homework Help: Diffraction Grating lab

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