Statement 1: Bragg's equation has no solution, if n = 2 and λ>d.Statement 2: Bragg's equation is: nλ=2dsinθ.
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a
Both Statement 1 and Statement 2 are true.
b
Both Statement 1 and Statement 2 are false.
c
Statement 1 is true but Statement 2 is false.
d
Statement 1 is false but Statement 2 is true.
answer is A.
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Detailed Solution
According to fundamental principle of optics the wavelength of light used to observe an object must be no greater than twice the length of object itself.⋋ of X-Rays < dimension of atom.If n = 2 and λ>d then sinθ>1, which is not possible..