Given below are two statements about X-ray spectra of elements : Statement (I) : A plot of ( = frequency of X-rays emitted) vs atomic mass is a straight line. Statement (I) : A plot of ( = frequency o

Question

Given below are two statements about X-ray spectra of elements : Statement (I) : A plot of ( = frequency of X-rays emitted) vs atomic mass is a straight line. Statement (I) : A plot of ( = frequency of X-rays emitted) vs atomic number is a straight line. In the light of the above statements, choose the correct answer from the options given below :

(A) Statement I is false but Statement II is true
(B) Both Statement I and Statement II are tue
(C) Statement I is true but Statement II is false
(D) Both Statement I and Statement II are false

Prashant Kotian · Accepted Answer

Correct answer: D. eff Z   = a(Z-b) where a & b are constant Z = Atomic number  Vs Z is a straight line Both statements are false.

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