two forces P and Q pass through a point A which is 4 ft to the right of and 3 ft above a moment center O. force P is 200 lb dire
1 answer:
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Answer:
The distance is
Explanation:
From the question we are told that
The order of maximum diffraction is m = 2
The wavelength is
The angle is
Generally the condition for constructive interference for diffraction grating is mathematically represented as
where d is the distance between the lines on a diffraction grating
So
substituting values