Assume Electrons Are Accelerated Through a Potential Difference of 25

question 30

Multiple Choice

Assume electrons are accelerated through a potential difference of 25 000 V inside a TV picture tube.What is the minimum wavelength that could be produced when the electrons strike the phosphor? (1 Å = 10-10 m)

• A)0.50 Å
• B)1.0 Å
• C)10 Å
• D)100 Å
• E)0.25 Å

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Definitions:

Reactants

Reactants are substances initially present in a chemical reaction that are consumed during the reaction to form products.

Substrates

In biochemistry, substrates are the specific substances on which an enzyme acts to catalyze a chemical reaction, often converted into products.

Triglycerides

A type of fat found in your blood, used by the body for energy and considered an important measure of heart health.

Monosaccharides

Simple sugars, such as glucose and fructose, which are basic building blocks of carbohydrates and cannot be hydrolyzed to smaller molecules.