. .
( ) . . . ..
Bremsstrahlung Breaking radiation :
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Ek1 Ek2 hn.
Ek1 - Ek2 = hn (1)
2000 .
. .
1895 Roentgen X-ray .
"" 27 1845 ɡ 1869 "" () 28 1895 ( ) ɡ ɡ (x) .
() () . ǡ .
"" 1901 "" ɡ "" 1923 .
. (1 ). :
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. . F C ( ) Target 30000 . T () :
Ek = eV (2)
e V .
(1). (1)
Ek1 = eV & Ek2 = 0
eV =Ek = hnmax (3)
nmax . (3) . :(4)
:
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- <LI dir=rtl>
continuous spectrum Line spectrum<LI dir=rtl>nmax . .