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Question

Chemistry Question on Classification of elements & periodicity in properties

Graph of X-ray frequency (v)n v/s atomic number (Z) is linear. Find the value of n.

A

12\frac{1}{2}

B

1

C

−12-\frac{1}{2}

D

-1

Answer

12\frac{1}{2}

Explanation

Solution

Vn∝Z

v=a(Z−b)\sqrt v=a(Z-b)

Therefore,

The correct answer is(A): n= 12\frac{1}{2}