t
Waue nahre omphn Radiati WAu
Hentg Plas's gnhon Thae igf
1.o mas tRet
eng
2 Hase Fand are,
: Ex h
mwigpa hd. he : 21b-s m 124yo0 evA
3, Stable pahela E: 12Vo ev 13t6 25xie
t n o t sablechd deay. a()
4. vo ixiom]s in fra space. va.cthage o) v:Bex g. Fod Bug
Ha.
12:3x10 Find E
0 : E . 12400 ev
9 Fing E(ev). A gxoom.
Elecben emission Phenomna o e
emision fon metal surfau, overiaming
Jhe mn
-Typo
emisit Thormionic,
emisin
NGhee
he
pamonoitnm ine
Photoelcchie Restmasf r
ine'
, Rotoelectic efeets dhtovered ylent os
Cuat ondw
h tevohan
Phoastolh EvAuahd
e'ave enitd
e fom cathode flhing
Sorme kE.
" when abde is
Lencoono gln kve)
Commutatr
Ment acqyuirtola
and phot
Conoten value eaued sahann
Cuntremt. Anode is gien AF 4cutan
Min. frug , belaw oich
enisisn rs poinhiad. Meaane
plau (Thncohold
Gve inik
po kenhas is ruq)
Ahting
KE pehntia Ande
phaha Bolwon vs iahehy
if Sahit ,
Sahrah
Tenhnsihy
hv, =he NGte;
(ni) Pma
optin thcn 25v)
depen d on photo stoitve nahre of mtial
e
4. Thene is no fne ayandbleincn
emissin a
1. RateofPhoYo ecan;riadyesdut
enisson ts)
"Key nints;
h 6626 xIo Js
4X6-5eVs
(intey) he= 2xIg25 J
3. va‘ KE : 124400 evA
2. Sane eae
is ShOu intesiy: 13 62Sxo°ev
Phofownrigt