
Concept explainers
When we consider the distance a pendulum swings to and fro, we’re talking about its
(a) frequency.
(b) period.
(c) wavelength.
(d) amplitude.

The correct option for the statement “When we consider the distance a pendulum swings to and fro, we’re talking about its”.
Answer to Problem 1RAT
The correct option for the statement “When we consider the distance a pendulum swings to and fro, we’re talking about its” is option (d).
Explanation of Solution
When something moves periodically back and forth, side to side, or up and down, it is said to be in vibration. When the vibration is carried through space and time, it is a wave. The wave is a pattern of matter or energy that extends from one place to another.
The term amplitude refers to the distance from the midpoint to the crest or trough of the wave. The amplitude equal to the maximum displacement from the mean position to the equilibrium. The frequency defines how frequent vibration occurs. The period is the time taken for one complete vibration. The distance from one crest to another is called the wavelength.
Conclusion:
Therefore, correct option for the statement “When we consider the distance a pendulum swings to and fro, we’re talking about its” is option (d).
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