When You Watch a Movie, It Appears as If the Images

question 182

Multiple Choice

When you watch a movie, it appears as if the images on the screen are moving smoothly. In fact, the movie is produced by a series of still photographs that are projected on the screen. You perceive the images as moving smoothly rather than as a jerky series of images because of:

• A)motion parallax.
• B)stroboscopic motion.
• C)induced motion.
• D)the dot-and-frame principle.

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Definitions:

Oxygen

A chemical element vital for most forms of life on Earth, used in respiration and medical therapies.

Carbon Dioxide

A gas found in the air, exhaled by all animals; the chemical formula is CO2.

Phenylketonuria

A genetic disorder resulting from the body’s failure to oxidize an amino acid, perhaps because of a defective enzyme.

Phenylalanine

An amino acid of a protein.