1. Why does the diffraction pattern appear only at specific locations when light passes through the grating? 2. As the distance botwoon the diffraction foot gots narrower, the distanoe betwoon the diffraction fringes (wider/narrower) becomes (wider/narrower) as the laser wavolongth usod becomes larger.

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1. Why does the diffraction pattern appear only at specific locations when light
passes through the grating?
2. As the distanco botweon the diffraction feot gets narrower., the distance betwoen
the diffraction fringes (wider/narrower) becomes (wider/narrower) as the laser
wavolength used becomes larger.
Transcribed Image Text:1. Why does the diffraction pattern appear only at specific locations when light passes through the grating? 2. As the distanco botweon the diffraction feot gets narrower., the distance betwoen the diffraction fringes (wider/narrower) becomes (wider/narrower) as the laser wavolength used becomes larger.
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