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cestrela7 [59]
3 years ago
6

Light of wavelength 600 nm illuminates a diffraction grating. The second order maximum is at an angle of 65 degrees. a) List you

r known variables. b) What is the spacing between slits in this grating? c) How many lines per millimeter does this grating have?
Physics
1 answer:
Alex_Xolod [135]3 years ago
6 0

Answer:

A. Known variables include

Wavelength = 600nm

Theta= 65°

m= 2

B.

d= m x wavelength / sin theta

= 2 * 600*10^-9 /sin 65°

= 1.3*10^-6m

C.

N = 1/d

So N = 1/1.3*10^-6m

=76.9 lines per micro meter

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