AP EAPCET 16th May 2023 Shift 2 Solved Paper

Section: Chemistry
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Question : 140 of 160
 
Marks: +1, -0
In the x-ray reflection (n=1), the distance between two parallel planes of NaCl is 280 pm and diffraction angle is 5.2∘. What is the wavelength of it's light radiation (Sin‌5.2∘=0.09)
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