Search our database of handpicked sites

Looking for a great physics site? We've tracked down the very best and checked them for accuracy. Just fill out the fields below and we'll do the rest.

Search results from our links database
Next

Showing 1 - 10 of 43

hyperphysics

Infrared

Inofrmation on infrared (IR), a broad range of frequencies, beginning at the top end of those frequencies used for communication and extending up the the low frequency (red) end of the visible ...

Visit Infrared

Rating:

 

Hits: 1026

http://hyperphysics.phy-astr.gsu.edu/hbase/ems3.html#c1
hyperphysics

Resonant Frequency

This Hyperphysics page discusses resonance and resonant frequencies. Includes the example of a child's swing.

Visit Resonant Frequency

Rating:

 

Hits: 1202

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/reson.html#resdef

Beat frequencies

When two sound waves of different frequency approach your ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - a phenomenon which is ...

Visit Beat frequencies

Rating:

 

Hits: 1289

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/beat.html

Sonic Science: The High-Frequency Hearing Test

The range of frequencies the human ear can pick up changes as you grow older. Test the range of your hearing with this simple experiment.

Visit Sonic Science: The High-Frequency Hearing Test

Rating:

 

Hits: 23

http://www.scientificamerican.com/article.cfm?id=bring-science-home-high-frequency-hearing
hyperphysics

White Noise

White noise is noise whose amplitude is constant throughout the audible frequency range. It is fairly easy to produce white noise - it is often produced by a random noise generator in which all ...

Visit White Noise

Rating:

 

Hits: 1484

http://hyperphysics.phy-astr.gsu.edu/hbase/audio/equal.html#c3

What is frequency?

A short description of what is frequency

Visit What is frequency?

Rating:

 

Hits: 531

http://www.qrg.northwestern.edu/projects/vss/docs/communications/1-what-is-frequency.html
hyperphysics

Planck's Hypothesis

In order to explain the frequency distribution of radiation from a hot cavity (blackbody radiation) Planck proposed the ad hoc assumption that the radiant energy could exist only in discrete quanta ...

Visit Planck's Hypothesis

Rating:

 

Hits: 2905

http://hyperphysics.phy-astr.gsu.edu/hbase/mod2.html#c3
hyperphysics

Pitch

The perceived pitch of a sound is just the ear's response to frequency, i.e., for most practical purposes the pitch is just the frequency.

Visit Pitch

Rating:

 

Hits: 731

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/pitch.html#c1
hyperphysics

Carrier Wave

Radio transmission involves putting audio frequency information on a much higher frequency electromagnetic wave called a carrier wave.

Visit Carrier Wave

Rating:

 

Hits: 1580

http://hyperphysics.phy-astr.gsu.edu/hbase/audio/sumdif.html#c2

Time and Frequency division of NIST

The homepage of the Time and Frequency division of NIST, which outlines their mission, technical highlights and both their current and future work.

Visit Time and Frequency division of NIST

Rating:

 

Hits: 501

http://www.nist.gov/time-frequency-portal.cfm
Next

Showing 1 - 10 of 43