What exactly is the difference between frequency and period?

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Discussion Overview

The discussion revolves around the conceptual distinction between frequency and period, particularly in the context of physics education. Participants explore definitions, units of measurement, and ways to explain these concepts in layman's terms.

Discussion Character

  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants assert that frequency and period are inverses of each other.
  • Frequency is described as the number of occurrences of a repeating event per unit time, while the period is characterized as the duration of one cycle of that event.
  • One participant provides examples, such as the Earth's orbit around the Sun as a period and its rotation as a frequency.
  • Units of measurement are discussed, with frequency measured in Hertz and period in seconds, highlighting the importance of understanding these units.
  • Another participant suggests a simplified way to think about the concepts: frequency as "cycles per second" and period as "seconds per cycle."
  • A participant expresses discomfort with the naming convention of Hertz, referring to it as a "dead scientist" and questioning the appropriateness of such terminology.

Areas of Agreement / Disagreement

Participants generally agree on the definitions and relationships between frequency and period, but there are differing opinions on the appropriateness of using historical names in scientific terminology.

Contextual Notes

The discussion includes varying levels of detail regarding definitions and examples, and some participants emphasize the importance of units in understanding physical quantities.

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I am on the "sound" chapter in my Conceptual Physics class but I just wanted to know the best way to explain in layterm: what is the difference between frequency and period?
 
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To elaborate:

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency. Loosely speaking, 1 year is the period of the Earth's orbit around the Sun,[1] and the Earth's rotation on its axis has a frequency of 1 rotation per day.[2]

Source: http://en.wikipedia.org/wiki/Frequency
 
I suggest you make a habit of paying special attention to the units of new physical quantities you meet.
Very often looking at these helps understand what the quantity is measuring.
You may have to look beyond the modern trend to replace descriptive units with the names of dead scientists.

So

Frequency is measured in Hertz ( a dead scientist) but originally in cycles per second and is the number of repeats of the wave or oscillation per second.

Period is the measured in seconds and is the number of seconds it takes said oscillation to repeat.
 
Frequency is measured in Hertz ( a dead scientist)
:eek:
That's so gross..

Couldn't you just leave his remains alone, rather than "measuring" things in him?
 
Think of frequency as "cycles per second" and the period as "seconds per cycle". Or substitute any other time unit that's more convenient for the purpose at hand.
 

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