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Orders of magnitude (frequency)

January 01, 1970

The following list illustrates various frequencies, measured in hertz, according to decade in the order of their magnitudes, with the negative decades illustrated by events and positive decades by acoustic or electromagnetic uses.

Factor
(Hz) 		Multiple Value Item
10−18 1 attohertz (aHz) ~2.2978 aHz The Hubble constant (once in 13.8 billion years)
10−17 10 aHz ~79 aHz Supercontinent cycle (about every 400 million years)
10−16 100 aHz ~137.8 aHz Once per galactic year (about every 230 million years)
10−15 1 femtohertz (fHz) ~3 fHz Sound waves created by a supermassive black hole in the Perseus cluster[1]
10−14 10 fHz ~31.71 fHz Once every one million years
10−12 1 picohertz (pHz) 1.23 pHz Precession of the Earth's axis (about every 25,700 years)
10−11 10 pHz ~31.71 pHz Once per millennium
10−10 100 pHz ~317.1 pHz Once per century
10−9 1 nanohertz (nHz) ~1 nHz Once per generation (about every 30 years)
~2.9 nHz Average solar cycle (about every 11 years)
~3.171 nHz Once per decade
10−8 10 nHz 11.6699016 nHz Once in a blue moon[2]
~31.71 nHz Yearly (or Earth's orbital frequency)
10−7 100 nHz ~380.5 nHz Monthly (or the Moon's orbital frequency)
~413 nHz Average menstrual cycle (28 days)
10−6 1 microhertz (µHz) ~1.653 µHz Weekly
10−5 10 µHz ~11.57 µHz Daily (or Earth's rotation frequency)
10−4 100 µHz ~277.8 µHz Hourly
10−2 1 centihertz (cHz) ~16.667 mHz One rpm
10−1 1 decihertz (dHz) 189 mHz Acoustic – frequency of G−7, the lowest note sung by the singer with the deepest voice in the world, Tim Storms. His vocal cords vibrate 1 time every 5.29 seconds.
100 1 hertz (Hz) 1 to 1.66 Hz Approximate frequency of an adult human's resting heart beat
1 Hz 60 bpm, common tempo in music
2 Hz 120 bpm, common tempo in music
~7.83 Hz Fundamental frequency of the Schumann resonances
101 10 hertz 10 Hz Cyclic rate of a typical automobile engine at idle (equivalent to 600 rpm)
12 Hz Acoustic – the lowest possible frequency that a human can hear[3]
18 Hz Average house cat's purr
24 Hz Common frame rate of movies
27.5 Hz Acoustic – the lowest musical note (A0) playable on a normally-tuned standard piano
50 Hz Electromagnetic – standard AC mains power (European AC, Tokyo AC),
refresh rate of PAL and SECAM CRT televisions
60 Hz Electromagnetic – standard AC mains power (American AC, Osaka AC),
refresh rate of NTSC CRT televisions and standard refresh rate of computer monitors
102 100 Hz 100 Hz Cyclic rate of a typical automobile engine at redline (equivalent to 6000 rpm)
261.626 Hz Acoustic – the musical note middle C (C4)
440 Hz Acoustic – concert pitch (A above middle C; A4), used for tuning musical instruments
716 Hz Rotational period of one of the fastest known millisecond pulsars, PSR J1748−2446ad[4]
103 1 kilohertz (kHz) 1 kHz Usual frequency of a bleep censor
4.186 kHz Acoustic – the highest musical note (C8) playable on a normally-tuned standard piano
8 kHz ISDN sampling rate
104 10 kHz 14 kHz Acoustic – the typical upper limit of adult human hearing
17.4 kHz Acoustic – a frequency known as the Mosquito, which is generally only audible to those under the age of 24.
25.1 kHz Acoustic – G10, the highest pitch sung by Georgia Brown, who has a vocal range of 8 octaves.
44.1 kHz Common audio sampling frequency
105 100 kHz 740 kHz The clock speed of the world's first commercial microprocessor, the Intel 4004 (1971)
106 1 megahertz (MHz) 530 kHz to 1.710 MHz Electromagnetic – AM radio broadcasts
1 MHz to 8 MHz Clock speeds of early home/personal computers (mid-1970s to mid-1980s)
107 10 MHz 13.56 MHz Electromagnetic – near field communication
108 100 MHz 88 MHz to 108 MHz Electromagnetic – FM radio broadcasts
902 to 928 MHz Electromagnetic – common cordless telephone frequency in the US
109 1 gigahertz (GHz) 1.42 GHz Electromagnetic – the hyperfine transition of hydrogen, also known as the hydrogen line or 21 cm line
2.4 GHz Electromagnetic – microwave ovens, wireless LANs and cordless phones (starting in 1998)
2.6–3.8 GHz A common desktop CPU speed as of 2014
5.8 GHz Electromagnetic – cordless telephone frequency introduced in 2003
1010 10 GHz 3 GHz to 30 GHz Electromagnetic – super high frequency
60 GHz Electromagnetic – 60 GHz Wi-Fi (WiGig) introduced in 2010
1011 100 GHz 160.2 GHz Electromagnetic – peak of cosmic microwave background radiation
845 GHz Fastest transistor (December 2006).[5][6]
1012 1 terahertz (THz) The terahertz gap
1013 10 THz 21 THz to 33 THz Electromagnetic – infrared light used in thermal imaging, for example for night vision
31.5 THz Electromagnetic – peak of black-body radiation emitted by human body
1014 100 THz 400 THz to 790 THz Electromagnetic – visible light, from red to violet
1015 1 petahertz (PHz) 2.47 PHz Electromagnetic – Lyman-alpha line
1016 10 PHz 30 PHz Electromagnetic – X-rays
1017 100 PHz
1018 1 exahertz (EHz)
1019 10 EHz
1020 100 EHz 300 EHz + Electromagnetic – gamma rays
1021 1 zettahertz (ZHz) 36 ZHz Resonance width of the rho meson
1024 1 yottahertz (YHz)
1027 1 ronnahertz (RHz) 3.9 RHz Highest energy (16 TeV) gamma ray detected, from Markarian 501
1030 1 quettahertz (QHz)
1043 10 trillion QHz 18.5 trillion Qhz The unit of inverse time (or frequency) in the system of Planck units

See also edit

References edit

  1. ^ "Black Hole Sound Waves  – NASA Science".
  2. ^ Google Calculator result for "once in a blue moon"
  3. ^ 20 Hz is considered the normal low frequency limit of human hearing. When pure sine waves are reproduced under ideal conditions and at very high volume, a human listener will be able to identify tones as low as 12 Hz. Olson, Harry F. (1967). Music, Physics and Engineering. Dover Publications. p. 249. ISBN 0-486-21769-8.
  4. ^ Hessels, J. W. T.; Ransom, S. M.; Stairs, I. H.; Freire, P. C.; Kaspi, V. M.; Camilo, F. (2006). "A Radio Pulsar Spinning at 716 Hz". Science. 311 (5769): 1901–1904. arXiv:astro-ph/0601337. Bibcode:2006Sci...311.1901H. doi:10.1126/science.1123430. PMID 16410486. S2CID 14945340.
  5. ^ . Highbeam. 2007-01-01. Archived from the original on 2012-11-05.
  6. ^ "World's fastest transistor approaches goal of terahertz device". Illinois News Bureau. December 11, 2006.

January 01, 1970
orders, magnitude, frequency, following, list, illustrates, various, frequencies, measured, hertz, according, decade, order, their, magnitudes, with, negative, decades, illustrated, events, positive, decades, acoustic, electromagnetic, uses, factor, multiple, . The following list illustrates various frequencies measured in hertz according to decade in the order of their magnitudes with the negative decades illustrated by events and positive decades by acoustic or electromagnetic uses Factor Hz Multiple Value Item 10 18 1 attohertz aHz 2 2978 aHz The Hubble constant once in 13 8 billion years 10 17 10 aHz 79 aHz Supercontinent cycle about every 400 million years 10 16 100 aHz 137 8 aHz Once per galactic year about every 230 million years 10 15 1 femtohertz fHz 3 fHz Sound waves created by a supermassive black hole in the Perseus cluster 1 10 14 10 fHz 31 71 fHz Once every one million years 10 12 1 picohertz pHz 1 23 pHz Precession of the Earth s axis about every 25 700 years 10 11 10 pHz 31 71 pHz Once per millennium 10 10 100 pHz 317 1 pHz Once per century 10 9 1 nanohertz nHz 1 nHz Once per generation about every 30 years 2 9 nHz Average solar cycle about every 11 years 3 171 nHz Once per decade 10 8 10 nHz 11 6699016 nHz Once in a blue moon 2 31 71 nHz Yearly or Earth s orbital frequency 10 7 100 nHz 380 5 nHz Monthly or the Moon s orbital frequency 413 nHz Average menstrual cycle 28 days 10 6 1 microhertz µHz 1 653 µHz Weekly 10 5 10 µHz 11 57 µHz Daily or Earth s rotation frequency 10 4 100 µHz 277 8 µHz Hourly 10 2 1 centihertz cHz 16 667 mHz One rpm 10 1 1 decihertz dHz 189 mHz Acoustic frequency of G 7 the lowest note sung by the singer with the deepest voice in the world Tim Storms His vocal cords vibrate 1 time every 5 29 seconds 100 1 hertz Hz 1 to 1 66 Hz Approximate frequency of an adult human s resting heart beat 1 Hz 60 bpm common tempo in music 2 Hz 120 bpm common tempo in music 7 83 Hz Fundamental frequency of the Schumann resonances 101 10 hertz 10 Hz Cyclic rate of a typical automobile engine at idle equivalent to 600 rpm 12 Hz Acoustic the lowest possible frequency that a human can hear 3 18 Hz Average house cat s purr 24 Hz Common frame rate of movies 27 5 Hz Acoustic the lowest musical note A0 playable on a normally tuned standard piano 50 Hz Electromagnetic standard AC mains power European AC Tokyo AC refresh rate of PAL and SECAM CRT televisions 60 Hz Electromagnetic standard AC mains power American AC Osaka AC refresh rate of NTSC CRT televisions and standard refresh rate of computer monitors 102 100 Hz 100 Hz Cyclic rate of a typical automobile engine at redline equivalent to 6000 rpm 261 626 Hz Acoustic the musical note middle C C4 440 Hz Acoustic concert pitch A above middle C A4 used for tuning musical instruments 716 Hz Rotational period of one of the fastest known millisecond pulsars PSR J1748 2446ad 4 103 1 kilohertz kHz 1 kHz Usual frequency of a bleep censor 4 186 kHz Acoustic the highest musical note C8 playable on a normally tuned standard piano 8 kHz ISDN sampling rate 104 10 kHz 14 kHz Acoustic the typical upper limit of adult human hearing 17 4 kHz Acoustic a frequency known as the Mosquito which is generally only audible to those under the age of 24 25 1 kHz Acoustic G10 the highest pitch sung by Georgia Brown who has a vocal range of 8 octaves 44 1 kHz Common audio sampling frequency 105 100 kHz 740 kHz The clock speed of the world s first commercial microprocessor the Intel 4004 1971 106 1 megahertz MHz 530 kHz to 1 710 MHz Electromagnetic AM radio broadcasts 1 MHz to 8 MHz Clock speeds of early home personal computers mid 1970s to mid 1980s 107 10 MHz 13 56 MHz Electromagnetic near field communication 108 100 MHz 88 MHz to 108 MHz Electromagnetic FM radio broadcasts 902 to 928 MHz Electromagnetic common cordless telephone frequency in the US 109 1 gigahertz GHz 1 42 GHz Electromagnetic the hyperfine transition of hydrogen also known as the hydrogen line or 21 cm line 2 4 GHz Electromagnetic microwave ovens wireless LANs and cordless phones starting in 1998 2 6 3 8 GHz A common desktop CPU speed as of 2014 5 8 GHz Electromagnetic cordless telephone frequency introduced in 2003 1010 10 GHz 3 GHz to 30 GHz Electromagnetic super high frequency 60 GHz Electromagnetic 60 GHz Wi Fi WiGig introduced in 2010 1011 100 GHz 160 2 GHz Electromagnetic peak of cosmic microwave background radiation 845 GHz Fastest transistor December 2006 5 6 1012 1 terahertz THz The terahertz gap 1013 10 THz 21 THz to 33 THz Electromagnetic infrared light used in thermal imaging for example for night vision 31 5 THz Electromagnetic peak of black body radiation emitted by human body 1014 100 THz 400 THz to 790 THz Electromagnetic visible light from red to violet 1015 1 petahertz PHz 2 47 PHz Electromagnetic Lyman alpha line 1016 10 PHz 30 PHz Electromagnetic X rays 1017 100 PHz 1018 1 exahertz EHz 1019 10 EHz 1020 100 EHz 300 EHz Electromagnetic gamma rays 1021 1 zettahertz ZHz 36 ZHz Resonance width of the rho meson 1024 1 yottahertz YHz 1027 1 ronnahertz RHz 3 9 RHz Highest energy 16 TeV gamma ray detected from Markarian 501 1030 1 quettahertz QHz 1043 10 trillion QHz 18 5 trillion Qhz The unit of inverse time or frequency in the system of Planck unitsSee also editHertz Orders of magnitude rotational speed References edit Black Hole Sound Waves NASA Science Google Calculator result for once in a blue moon 20 Hz is considered the normal low frequency limit of human hearing When pure sine waves are reproduced under ideal conditions and at very high volume a human listener will be able to identify tones as low as 12 Hz Olson Harry F 1967 Music Physics and Engineering Dover Publications p 249 ISBN 0 486 21769 8 Hessels J W T Ransom S M Stairs I H Freire P C Kaspi V M Camilo F 2006 A Radio Pulsar Spinning at 716 Hz Science 311 5769 1901 1904 arXiv astro ph 0601337 Bibcode 2006Sci 311 1901H doi 10 1126 science 1123430 PMID 16410486 S2CID 14945340 Fastest Transistor Approaches Terahertz Speed Highbeam 2007 01 01 Archived from the original on 2012 11 05 World s fastest transistor approaches goal of terahertz device Illinois News Bureau December 11 2006 Retrieved from https en wikipedia org w index php title Orders of magnitude frequency amp oldid 1210599533, wikipedia, wiki, book, books, library,

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