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Application of properties of the light 
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#1
Mar1308, 10:28 PM

P: 66

you find two unlabelled diffraction gratings in your lab. from purchase records, you know that one grating has 500lines/cm, while the other has 10000lines/cm Given the following equipement, describe how you would determine which is the grating with 10 000lines/cm: red laser, detection screen, the two unknown dffraction gratings. no idea:(..need help



#2
Mar1408, 10:19 AM

P: 66

Can anyone help me please....



#3
Mar1408, 04:28 PM

P: 66

Can anyone help me here pleaseeeeeeeeeeeeeeee..:(



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