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You have a laser with wavelength = 637.3 nm. The grating has a slit spacing of...

You have a laser with wavelength = 637.3 nm. The grating has a slit spacing of 0 mm. What is the angle measured for n=1? angle is in radians

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Answer #1

Given,

The wavelength of a laser, = 637.3 nm = 637 .3 * 10-9 m

The slit spacing of grating, d = 0 mm = 0 m

We know,

d sin = n

For n = 1:

d sin =

sin = / d

= 637 .3 * 10-9 / 0

= undefined

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