The Ratio of Wavelength of K _$\infty$ X-Ray Line for Nb (Z = 41)to That

question 41

Multiple Choice

The ratio of wavelength of K _$\infty$ x-ray line for Nb (Z = 41) to that of Ga (Z = 31) is:

• A)9/16
• B)16/9
• C)3/4
• D)4/3
• E)1.15

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Definitions:

Classical Probability

Classical probability is a theoretical probability calculation based on the assumption that all outcomes are equally likely and there are a finite number of outcomes.

Choosing

The process of making a selection from a range of options or possibilities.

Week

A time unit consisting of seven days.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1 where 0 indicates impossibility and 1 indicates certainty.