From the Following List of Observations, Choose the One That

question 5

Multiple Choice

From the following list of observations, choose the one that most clearly supports the conclusion that electrons have wave properties.

• A) the scattering of alpha particles by metal foil
• B) the photoelectric effect
• C) the emission spectrum of hydrogen
• D) diffraction
• E) cathode "rays"

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Definitions:

Density

The mass of a substance per unit volume, often expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

Mass

Mass is a measure of the amount of matter in an object, typically in units such as kilograms or grams.

Material

The substance or mixture of substances that constitute an object or can be used to manufacture objects.

Density

A physical property defined as an object's mass per unit volume, indicating how compactly the mass is distributed in the object.