Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is:

(Given: = Frequency of X-ray emitted, = Atomic number)

Question

Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is:

(Given:  = Frequency of X-ray emitted,  = Atomic number)

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Strategy:
 Moseley's Law established that the frequency of emitted X-rays is related to the atomic number of the element. This relationship is linear when the square root of the frequency is plotted against the atomic number ().

Step 1: Recall Moseley's Law
The mathematical expression is:

where:
-  is the frequency of the emitted X-ray.
-  is the atomic number.
-  and  are constants characteristic of the element's X-ray series.

Step 2: Identify the graph
Based on the equation,  is directly pr

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