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The frequency of the characterstic X ray...

The frequency of the characterstic X ray of `K_(alpha)` line of metal target 'M' is 2500 `cm^(-1)` and the graph between `sqrt(v)` Vs 'z' is as follows, then atomic number of M is

A

49

B

50

C

51

D

25

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 2 (PERIODIC CLASSIFICATION)
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  2. In the periodic table, inversion of atomic weights took place in this ...

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  3. The frequency of the characterstic X ray of K(alpha) line of metal tar...

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  5. Pair of elements with the following atomic numbers have the same chemi...

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  6. The sub-shells filled one by one for 4th period elements are

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  7. The starting element and last element in the largest period in modern ...

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  8. Which of the following has both members from the same period of the pe...

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  9. As per the modern periodic law, the physical and chemical properties o...

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  11. Element with atomic number 38, belongs to

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  15. Which of the following pairs has elements containing same number of el...

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  16. The period that includes all blocks of elements is

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  17. Among s-block metals and transition metals, which are more metallic?

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  18. Element with atomic number 52 belongs to

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  19. The period number and group number in which maximum number of elements...

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  20. The general electronic configuration of f-block elements is

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