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Chapter 1: Problem 57

Parsec is the unit of (A) Time (B) Distance (C) Frequency (D) Angular acceleration

Short Answer

Expert verified
Parsec is a unit of measure for distance (Option B).

Step by step solution

01

Option A: Time

Time is a measure of the duration between two events. The most commonly used unit for time is a second, not a parsec.
02

Option B: Distance

Distance is the measure of the length between two points in space. The parsec, which is short for "parallax of one arcsecond," is a unit of length used in astronomy to measure the distance between celestial objects such as stars and galaxies. One parsec is approximately 3.26 light-years or about 30.9 trillion kilometers.
03

Option C: Frequency

Frequency refers to the number of occurrences or events within a specific unit of time in a periodic phenomenon like sound waves or electromagnetic radiation. The unit commonly used for frequency is hertz (Hz).
04

Option D: Angular acceleration

Angular acceleration is a measure of how quickly an object's angular velocity changes with time. It is expressed in units such as radians per second squared (rad/s虏). Based on the information and definitions discussed, we can conclude which option parsec belongs to.
05

Conclusion

Parsec is a unit of measure for distance (Option B).

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