Which of the Following Statements Is True

question 62

Multiple Choice

Which of the following statements is true?

• A)When two harmonic waves of the same frequency and wavelength but differing in phase combine,the resultant wave is a harmonic wave whose amplitude depends on the phase difference.
• B)A phase difference between two waves can be the result of a difference in path length.
• C)A path difference of one wavelength is equivalent to no phase difference at all.
• D)A phase difference between two waves can be the result of reflection from a boundary surface.
• E)All of these are correct.

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Definitions:

Major Structure

The most stable or dominant arrangement of atoms within a molecule out of all possible isomeric forms.

Chromic Acid

A powerful oxidizing agent made from mixing chromium trioxide or sodium dichromate with sulfuric acid, used in cleaning laboratory glassware and oxidizing organic compounds.

Oxidation

A chemical process involving the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.

Chromium

A chemical element with symbol Cr and atomic number 24, known for its high corrosion resistance and hardness.