Wednesday, February 23, 2011


Frequency is the number of occurrences of a repeating event per unit time. Frequency f is the reciprocal of the time T taken to complete one cycle (the period). In wave motion, it is the number of waves that pass through a given point per second.

File:Sine waves different frequencies.svg

In this picture, the red is the lowest frequency because the waves are spread farther apart while the purple is the highest frequency because the waves are closer together. 


My Singing Voice -


Tuning Fork

1.) .0097 2.) .0127 3.) .0162 4.) .0191 5.) .0221 6.) .0257 7.) .0286
7 waves/.0189 per second = 370.4

Different animals hear different frequencies than humans. Elephants can hear lower frequencies, while dolphins can hear louder. The range they hear in is called infra sound, because infra means lower. They can hear lower than human hearing.

1 comment:

  1. good definition and graphic for frequency
    my singing voice & tuning fork need units
    a picture did not show
    good graphic for animals, we need everyone to look at it
    what do you hear??