In an Electron Microscope, Electrons Are Accelerated to Great Velocities

question 66

Multiple Choice

In an electron microscope, electrons are accelerated to great velocities.Calculate the wavelength of an electron traveling with a velocity of 7.0 × 10³ kilometers per second.The mass of an electron is 9.1 × 10^-28 g.

• A)1.0 × 10^-13 m
• B)1.0 × 10^-10 m
• C)1.0 × 10^-7 m
• D)1.0 m

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Definitions:

Chronic Back Pain

Chronic Back Pain is persistent or recurrent pain in the lower or upper back, often lasting for three months or longer.

Pain Gate

A theory suggesting that the spinal cord contains a neurological "gate" that either blocks pain signals or allows them to continue to the brain.

Nociception

The physiological processes related to pain perception

Mediators

Substances or factors that modulate or influence biological processes, often used in the context of physiological or pharmacological pathways.