Characteristic K X-Radiation of an Element Is Caused By

question 30

Multiple Choice

Characteristic K x-radiation of an element is caused by:

• A)stoppage of electrons by the nucleus
• B)scattering of the incident radiation with a change of wavelength
• C)ejection of an electron from an outer shell
• D)transition of an electron to the innermost orbit
• E)none of the above

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Definitions:

Refractory Period

A period immediately following the stimulation during which a nerve or muscle is unresponsive to further stimulation.

Refractory Period

The period immediately following a nerve impulse or muscular contraction in which a nerve or muscle is unresponsive to further stimulation.

Sex Hormones

Biological compounds that play crucial roles in sexual development, reproduction, and secondary sexual characteristics in various organisms.

Castration

The removal of the testicles in males or ovaries in females; often leads to sterility and can have significant hormonal effects.