IS 1890-6: Quantities and Units, Part 6: Light and Related Electromagnetic Radiations

26 Pages·1997·1.7 MB·English

by  Bureau of Indian Standards

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IS 1890-6 (1997): Quantities and Units, Part 6: Light and
Related Electromagnetic Radiations [MSD 10: Social
Responsibility]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

IS1890(Part6):1997
IS0 31-6 : 1992

Indian Standard
SEITITNAUQ AND UNITS
PART 6 LIGHT AND RELATED ELECTROMAGNETIC RADIATIONS
First Revision )
(
ICS 01.060; 07.030

0 BIS 1997
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
March 1997 Price Group 8
cisaB sdradnatS lanoitceS Committee, DSM 1
LANOITAN FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) hcihw si lacitnedi htiw 0SI 6-13 : 2991 seititnauQ‘ dna stinu -
traP 6 : thgiL dna detaler citengamortcele radiations’ issued yb eht lanoitanretnI noitazinagrO rof noitazidradnatS
( 0SI ) saw detpoda yb eht uaeruB fo naidnI sdradnatS no eht noitadnemmocer fo eht cisaB sdradnatS
l
lanoitceS Committee dna lavorppa fo eht tnemeganaM dna smetsyS noisiviD .licnuoC
ehT txet fo eht 0SI dradnatS sah neeb devorppa sa elbatius rof noitacilbup sa naidnI dradnatS tuohtiw
.snoitaived niatreC snoitnevnoc ,era ,revewoh ton lacitnedi ot esoht desu ni naidnI .sdradnatS noitnettA si
ylralucitrap nward ot eht :gniwollof
Comma ( , ) sah neeb desu sa a lamiced marker elihw ni naidnI sdradnatS eht tnerruc ecitcarp si ot esu a
tniop ( . ) sa eht lamiced marker.
Wherever eht sdrow lanoitanretnI‘ dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs eb daer sa
naidnI‘ .dradnatS
nI siht desiver ,noisrev eht gniwollof era eht major lacinhcet :segnahc
- eht noisiced yb eht lanoitanretnI Committee rof sthgieW dna serusaeM ( Comite lanoitanretnI sed
sdioP te ,seruseM MPIC ) ni 0891 gninrecnoc eht sutats fo yratnemelppus stinu sah neeb
;detaroprocni
- eht tinu ,mortsgna ,A ni esu ,yliraropmet sah neeb derrefsnart ot eht noisrevnoC“ srotcaf dna
remarks” ;nmuloc dna
- a rebmun fo wen items evah neeb ,dedda .g.e cinotohp seititnauq dna .stinu
nI eht detpoda ,dradnats evitamron secnerefer raeppa ot 0SI ,2991:8-13 rof hcihw eht gnidnopserroc naidnI
dradnatS si SI 0981 ( traP 8 ) : 081/5991 8-13 : 2991 seititnauQ‘ dna stinu - traP 8 : lacisyhP yrtsimehc dna
ralucelom scisyhp ( first revision ) dna si lacitnedi ot 0SI 8-13 : .2991
ADDITIONAL INFORMATION
ehT rehto strap fo SI OSI/O981 ,13 rednu eht lareneg eltit seititnauQ‘ dna ’stinu :era

lnterna tional Standard Corresponding Indian Standard Degree of
ecnelaviuqE
0SI O-13 : 2991 SI 0981 (Part 0) : 5991 seititnauQ dna :stinu traP 0 lacitnedI
lareneG selpicnirp ( first revision)
IS0 31-1 : 2991 SI 0981 (Part 1) : 5991 seititnauQ dna :stinu traP 1 ecapS lacitnedI
dna time ( third revision )
0SI 2-13 : 2991 SI 0981 (Part 2) : 5991 seititnauQ dna :stinu traP 2 lacitnedI
cidoireP dna detaler anemonehp ( secondrevision)
0SI 3-13 : 2991 SI 0981 (Part 3) : 5991 seititnauQ dna :stinu traP 3 lacitnedI
scinahceM ( second revision)
IS0 31-4 ; 2991 SI 0981 (Part 4) : /2891 0SI 4/13 : 8791 ,seititnauQ yllacinhceT
stinu dna :slobmys traP 4 taeH ( first revision ) ( under tnelaviuqE
revision )
0SI 5-13 : 2991 SI 0981 (Part 5) : 5991 seititnauQ dna :stinu traP 5 lacitnedI
yticirtcelE dna msitengam ( first revision )
( Continued on third wverpage)
IS 1890 ( Part 8 ) : 1997
IS0 31-6 : 1992
Indian Standard
SEITITNAUQ AND UNITS
TRAP 6 THGIL DNA DETALER CITENGAMORTCELE SNOITAIDAR
First Revision )
(
trap fo 0SI 13 era degaruocne ot etagitsevni eht
1 Scope
ytilibissop fo gniylppa eht most tnecer noitide fo eht
sihT trap fo 0SI 13 sevig seman dna slobmys rof dradnats detacidni .woleb Members fo CEI dna 0SI
seititnauq dna stinu fo thgil dna detaler -ortcele niatniam sretsiger fo yltnerruc dilav lanoitanretnI
citengam .snoitaidar Where ,etairporppa noisrevnoc .sdradnatS
srotcaf era osla .nevig
0SI ,29919-13 Quantities and units - Part 8: Phys-
ical chemistry and molecular physics.
2 Normative reference
ehT gniwollof dradnats sniatnoc snoisivorp ,hcihw 3 Names and symbols
hguorht ecnerefer ni siht ,txet etutitsnoc snoisivorp
fo siht trap fo 0SI .13 tA eht time fo ,noitacilbup eht ehT seman dna slobmys rof seititnauq dna stinu fo
noitide detacidni saw .dilav llA sdradnats era tcejbus thgil dna detaler citengamortcele snoitaidar era nevig
ot ,noisiver dna seitrap ot stnemeerga desab no siht no eht gniwollof .segap
IS 1890 (Part 6) : 1997
IS0 31-6 : 1992
_IGHT AND RELATED
seititnauQ
fLECTROMAGNETV.2 RADIATIONS
Item
Quantity Symbol Definition Remarks
No.
1-S ycneuqerf vlf Number fo selcyc dedivid yb
time
2-S ralugna ycneuqerf w CO = vrr2
3-5 htgnelevaw ecnatsiD ni eht noitcerid fo ehT htgnelevaw ni a medium si
noitagaporp fo a cidoirep evaw lauqe ot eht htgnelevaw ni -cav
neewteb owt evisseccus stniop muu dedivid yb eht evitcarfer
erehw ta a nevig time eht xedni fo eht medium
esahp si eht same ees( .)44-6 .
4-6 ,ycnetneper 7c =Q A/l nI ralucelom ypocsortceps ; si
rebmunevaw desu rof V/C.
ehT rotcev seititnauq u dna k
gnidnopserroc ot ycneteper dna
ralugna ycneteper era dellac
5-6 ralugna ,ycneteper k k = ax2
evaw rotcev dna noitagaporp
(6-4.2) ralugna
rotcev .ylevitcepser
rebmunevaw
6-6 yticolev )deeps( fo ,c oc c = 992 297 854 m/s )yltcaxe(
(6-5.1) citengamortcele
nehW ti si yrassecen ot make
sevaw ni muucav
a noitcnitsid neewteb esahp
yticolev ni a medium dna esahp
yticolev ni ,muucav c si desu rof
eht former dna oc rof eht .rettal
7-6 tnaidar ygrene Qs W ygrenE ,dettime derrefsnart or
(6-6.1) IP Qe) deviecer sa noitaidar

2
SI 1890 (Part6) : 1997
IS0 31-6 : 1992
THGIL AND RELATED
stinJ CITENGAMORTCELE SNOITAIDAR
Item
Name of unit symbol for Definition Conversion factors and remarks
No.
unit
j-1 a. hertz -lZ 1 zH = 1 s-’
a.2-3 naidar rep dnoces s/dar
b.2.3 lacorpicer s -1
,dnoces
dnoces ot eht
rewop sunim
eno
a.35 ertem m mBrtsgn$ ,)A( I A = lo-" m
a.4-3 lacorpicer ,ertem l-m ehT elpitlum cm-’ ( = 001 m-l) si
netfo .des!I
ertem ot eht
rewop sunim
eno
%.a naidar rep ertem m/dar

bM lacorpicer ,ertem l-m

ertem ot eht
rewop sunim
eno
a.6-6 ertem rep dnoces
a.7-6 eluoj J .m.Nl=Jl‘

3
IS 1890 ( Part 6 ) : 1997
IS0 31-6 : 2991
LIGHT AND RELATED
ELECTROMAGNETIC RADIATIONS (continued) Quantities
Item
Quantity Symbol Definition Remarks
No.
8-6 tnaidar ygrene WI )u( tnaidaR ygrene ni na tnemele For deziralop-non ydob-kcalb
.7-6( 7) ytisned fo ,emulov dedivid yb taht )lluf( noitaidar
tnemele ,w = chx8 ,n(f* )T
9-6 lartceps % tnaidaR ygrene ytisned ni na dna
(6-8.7) noitartnecnoc fo lamisetinifni htgnelevaw -retni
w=+W
tnaidar ygrene ,lav dedivid yb eht egnar fo taht
ytisned ni( terms lavretni
ehT kcnalP tnatsnoc h si lauqe
fo ,)htgnelevaw
ot
lartceps tnaidar
ygrene ytisned ni( h = 626,6( 570 5 +
terms fo 000,0 400 0) x 43-O1 J - s ?
)htgnelevaw
For ,L(f r), ees l-6 9 dna ,02-6
dna rof ,6 ees .81-6
eeS osla eht ,noitcudortni -bus
esualc .1.5.0
1) ATADOC nitelluB 36 .)6891(
01-6 tnaidar ,rewop #P @, (9,) rewoP ,dettime derrefsnart or a,=j@LdL
(6-9.1) tnaidar ygrene xulf deviecer sa noitaidar

l-6 1 tnaidar ygrene Y tA a nevig tniop ni ,ecaps eht
(-1 ecneulf tnaidar ygrene tnedicni no a
llams erehps dedivid yb eht
lanoitces-ssorc aera fo taht
erehps
21-6 tnaidar ygrene ,pc LI ==V Yd rp = j ~PC 2d
.01-6( )I ecneulf etar
nI na ciportosi suoenegomoh
noitaidar ,dleif c/pc si eht ygrene
,ytisned dna eht ecnaidarri fo a
ecafrus si 4/p(
31-6 tnaidar ytisnetni ,1 (1,) nI a nevig noitcerid from a nd,Ij=I
)1.17-6( ,ecruos eht tnaidar ygrene xulf
gnivael eht ,ecruos or na -ele
tnem fo eht ,ecruos ni na -ele
tnem fo dilos elgna gniniatnoc
eht nevig ,noitcerid dedivid yb
taht tnemele fo dilos elgna

4
IS 1890 (Part 6) : 1997
IS0 31-6 : 1992
THGIL AND RELATED
stinU CITENGAMORTCELE SNOITAIDAR )deunitnoc(
International
Item
Name of unit symbol for Definition Conversion factors and remarks
No.
unit
a.8-6 eluoj rep cibuc J/m3
ertem
a.9-6 eluoj rep ertem ot J/m4
eht htruof rewop
a.01-6 ttaw W 1 W = 1 s/J
_.-

l-6 1 a. eluoj rep erauqs J/m*
ertem
a.21-6 ttaw rep erauqs W/m2
ertem
a.31-6 ttaw rep W/sr roF eht ,naidarets ees eht -cudortni
naidarets ,noit esualcbus .2.3.0

5