If a Wave Pulse Is Reflected from a Free Boundary,which

question 52

Multiple Choice

If a wave pulse is reflected from a free boundary,which of the following choices best describes what happens to the reflected pulse?

• A)becomes inverted
• B)remains upright
• C)halved in amplitude
• D)doubled in amplitude

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Definitions:

Tristearin

A triglyceride derived from stearic acid, commonly found in animal and vegetable fats, used in the production of soaps and cosmetics.

B-carotene

A highly pigmented orange compound that is a precursor to vitamin A, found in various fruits and vegetables and used as a dietary supplement.

Phosphatidic Acid

A phospholipid that acts as a key intermediate in the biosynthesis of many other lipids.

Prostaglandin

A group of physiologically active lipid compounds having diverse hormone-like effects in animals.