A screw is a type of simple machine. If we look closely at a screw, we see that it is really a _________ wrapped around a centra
2 answers:
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Explanation:
It is given that,
Wavelength of red laser light,
The second order fringe is formed at an angle of,
For diffraction grating,
, n = 2
The wavelength λ of light that creates a first-order fringe at 22 is given by :
Hence, this is the required solution.