A He-Ne gas laser which produces monochromatic light of a known wavelength 2 = 6.35 x 10-7 m is used to calibrate a reflection grating in a spectroscope. The first-order diffraction line is found at an angle of 22° to the incident beam. How many lines per meter are there on the grating?

icon
Related questions
Question
A He-Ne gas laser which produces monochromatic light of a known wavelength a =
6.35 x 10-7 m is used to calibrate a reflection grating in a spectroscope. The first-order
diffraction line is found at an angle of 22° to the incident beam. How many lines per meter are
there on the grating?
Transcribed Image Text:A He-Ne gas laser which produces monochromatic light of a known wavelength a = 6.35 x 10-7 m is used to calibrate a reflection grating in a spectroscope. The first-order diffraction line is found at an angle of 22° to the incident beam. How many lines per meter are there on the grating?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer