I applied logic and got the answer wrong?

The question asked, what is time period?
I knew what frequency was. Freq=1/timeperiod which is 1000 , therefore my answer was timeperiod = 1x 1000 which is 1000 m/s.

The teacher's answer was time period 1/1000.

But, For example speed = distance/ time, to find distance= speed x time. shouldn't this concept apply to frequency as well.

?2015-10-14T01:47:33Z

Favorite Answer

Let f be the frequency and t the time period, just to save typing.

Then f = 1/t

Multiply both sides by t, and you get tf = 1

Then divide both sides by f to get t - the thing you want - on its own:

t = 1/f

This is the correct way to rearrange the formula.

speed = distance/time can rearrange to speed x time = distance, but if you wanted the time it would be time = distance/speed

See2015-10-14T01:30:07Z

Wrong. It should be:

Frequency=1000

Formula: Frequency=1/Time Period

So change the position:

1000=(1/Time Period)

Move the 1000:

Time Period=1/1000

Your teacher is right. (Correct)

Anonymous2015-10-14T02:43:33Z

What in the world are you carrying on about? You had the right answer at the start. Why do you work so hard to turn it into a wrong answer?

?2015-10-14T01:21:51Z

f = 1/T

therefore

T = 1/f