The Moons of Mars,Phobos (Fear)and Deimos (Terror),are Very Close to the Planet

question 16

Multiple Choice

The moons of Mars,Phobos (Fear) and Deimos (Terror) ,are very close to the planet compared to Earth's Moon.Their orbital radii are 9,378 km and 23,459 km respectively.What is the ratio of the period of revolution of Phobos to that of Deimos?

• A) 0.2528
• B) 0.3998
• C) 1.582
• D) 2.858
• E) 3.956

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Definitions:

Linguistic Relativity Hypothesis

The concept that the structure of a language influences its speakers' world view or cognition, and thus people's perceptions are relative to their spoken language.

Cognitive Linguistic Hypothesis

A theory suggesting that language influences or shapes the speaker's worldview and cognitive processes.

Intonation

The variation of pitch while speaking, which can affect the meaning of words and sentences.

Pitch

The auditory perception of the frequency of sound waves, determining how high or low a sound seems.