A diffraction grating 2inches wide produce a deviation of 30 in the second order with light of wavelength 600nm. What is the total number of lines in the grating?
(substitution needed)
kindly help
theertha02:
sin(theta)=nN lambda
From there find N
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Answer is at attachment ..
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wlcm
Mark me brillent when any other answer this question
bt there is a mistake
in the answer
ohh sorry
N=0.0416×10^7×39.37 = 1.6377×10^7lines/inches
okey
It's fine. Any way you tried well . Thks 4 that.
hm wlcm
thanks for appricating me
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