Exercices Résolus Sur Détection Et Mesures de Rayonnement
March 9, 2023 | Author: Anonymous | Category: N/A
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دﻒﻉﻪ دﻒﺕﺡا دﻒﻉﺎﻒ دﻒﺟﻉﻪﯾل ضدصث ﺕھصدك دﻒﺟﻗﻯﻒﺒﯾﺎ دﻒﻉﻪل ﻉﺐ ﺒﺎ Tnkvdrsktë `ds Qakdnads dt `d ie Pdamnbibokd `‛Bren Ceauitë `d Zmyskqud
@ëtdatkbn dt ldsurds `d reybnndldnt (Dxdrakads dt sbiutkbns)
(Lestdr `d”Qakdnads Ve`kbibokquds dt Kleodrkd‛) Fdifeamkr Emld` Meck`
Qdptdlfrd 6:5;
TQPB/Ceauitë `d Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndldnt, E. M. Fdifeamkr
Lestdr 8 QVK @ëtdatkbn dt ldsurd `ds reybnndldnts Abntrðid abntknu `u 53/56/6:54 (`urëd 5m1:)
Dxdrakad 5 I‛klpuiskbn `bnnëd per un `ëtdatdur rdprësdntd id skonei cbrlë per ie abiidatkbn `d ie amerod oënërëd `ens id `ëtdatdur per un reybnndldnt reybnndldnt kbnksent. Qk id aburent ëidatrkqud `d ad skonei dst `bnnë per
t k (t ) k: d t a
t 6 6t a 6
, aeiauidr ie amerod tbteid abiidatëd.
Dxdrakad 6 5) Prbuvdr i'enoid sbik`d Ϋ `‛und surcead akrauiekrd `d reybn e `‛un `ëtdatdur sd trbuvent ê und `kstenad ` `'und `'und sburad `d reybnndldnt reybnndldnt sur i'exd `u adraid dn cbnatkbn `d e dt ` . Uud `dvkdnt adt enoid sk ` >> >> e 2 6) Qk id prb`ukt `ds abdcckakdnts knt pka :,56 , `ëtdrlkndr id nblfrd `‛klpuiskbns dnrdokstrë sbus id pka eprís 5:: sdabn`ds sdabn`ds `‛und sburad `bnt i‛eatkvktë i‛eatkvktë dst 6 gFq gFq Eppikaetkbn nulërkqud 8 e < 5 al, ` < 5: al
Dxdrakad 1 @dux `ëtdatdurs E dt F `d typd nbn-dxtdnskfid bnt un tdlps lbrt 1: ´s dt 5:: ´s rdspdatkvdldnt. E qudi teux `‛ëvëndldnts rëdis n id ablpteod l E `u `ëtdatdur E sdre id `bufid `u ablpteod l F `u `ëtdatdur F 2 Dxdrakad 0 0 Dn sd fesent sur ie rdietkbn dntrd id spdatrd `kccërdntkdi dt id spdatrd kntëorei `‛eprís ie cbrlu cbrluid id M
N (:, M )
`N
`M `m :
treadr epprbxkletkvdldnt, id spdatrd kntëorei `ens ie pertkd (f) abrrdspbn`ent eu spdatrd `kccërdntkdi `bnnë `ens ie pertkd (e) `d ie ckourd ak-`dssbus.
TQPB/Ceauitë `d Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndldnt, E. M. Fdifeamkr
Nbl dt prënbls 8 …………………………………………………… 8 ……………………………………………………
TQPB/Ceauitë `d Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndldnt, E. M. Fdifeamkr
Abrrkoë `u Abntrðid abntknud `u 53/56/6:54 Dxdrakad 5
t U k: d t a
t 6 6t a
6
`t
:
t 6
Zbsbns u
6t a
6
t
`u
6t a
6
U k: :
t
d
t a
6t`t
6t a
6
t a 6 `u t
6
`t k:
`t 6
:
t t a
t
6t a
d
6
6
t a `u
k:t a d u `u k:t a
t
:
Dxdrakad 6
5) 6 (5
pbur ` e
evda
e
` 6)
knt
pka
` V 6
6
)
`
6 (5
` 6 e 6 e6
5 Qbkt
6
5
5
) 6 (5 (5 6 ....) 6 6 5 6
) 6 (5
`
nblfrd ` ' klpuiskbns dnrdokstrëds
`
nblfrd `d pertkauids knak`dnts sur id `ëtdatdur
nblfrd ` ' klpusiskbn s dndrdokstr ëës `ens id pka nblfrd ` ' klpuiskbns dnrdokstrëds
Id prb`ukt
knt .
pka
nblfrd ` ' klpusiskbn s dndrdokstr ëës `ens id pka N pka nblfrd `d pertkauids knak`dnts sur id `ëtdatdur N kna
N pka knt . :,56..Q pka N kna
E.N8 N pka knt . pka N E.N8 . kna :,56
e6 6
6 5:1 ?,413/s
` Id nblfrd `‛klpuisbns eprís 5:: sdabn`ds dst ?40 klpuiskbns klpuiskbns
Dxdrakad 1
Bn vdut l E 6l F Zbur id lb`íid nbn-dxtdnskfid l
l E 6l F Qbkt
F
E
5 n
n
5 n E
5
n
Dxdrakad 0
n
n
6 5 n F 6(5 n E ) 5 n F 5
?: 5:
3
506=4 ëvëndldnts rëdis
TQPB/Ceauitë `d Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndldnt, E. M. Fdifeamkr
Sbkr ids nbtds `d aburs Zeod 0
TQPB/Ceauitë TQPB/Ceauitë `d Zmyskqud/Lestdr Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndl Veybnndldnt, dnt, E. M. M. Fdifeamkr Fdifeamkr
Lestdr 8 QVK @ëtdatkbn dt ldsurd `ds reybnndldnts Abntrðid abntknu `u 6:/:5/6:53 Dxdrakad 5 (=,4 pt) Uudiids sbnt ids pertkds dssdntkdiids `‛un `ëtdatdur ê oez 2 Uudi dst id prknakpd `d sbn cbnatkbnndldnt `d i‛exd `‛un `ëtdatdur ê oez ayikn`rkqud @bnndr id amelp ëidatrkqud ê und `kstenad r `d dn cbnatkbn `ds perelítrds pmyskquds `d ad `ëtdatdur. Aktdr ids `kccërdntds rëokbns `d cbnatkbnndldnt `‛un `ëtdatdur ê oez quen` bn euoldntd prbordsskvdldnt se tdnskbn `d pbierksetkbn S. Vëpbn`rd per C(ceut) bu per S(vreks) 5- id amelp D dst prdsqud abnstent qudiqud sbkt r. 6- f dst ie ibnoudur `u `ëtdatdur 1- e dst id reybn `d i‛enb`d 0- S dst dst id pbtdntkdi ê r 4- id pmënblínd `d luitkpikaetkbn dst prdsqud id lèld pertbut Dxdrakad 6 (0,4 pt) @ens ie `ëtdatkbn per un sakntkiietdur NeK(Pi), qudi dst id rðid `d8 e) Id arkstei `‛kb`urd `d sb`kul s b`kul `bpë `d tmeiikul (NeK(Pi)) f) Ie pmbtbaetmb`d a) Id pmbtbluitkpikaetdur (ZL) Dxdrakad 1 (6 pt) Vëpbn`rd per C (ceut) bu per S (vreks). @ens un `ëtdatdur ê sdlk-abn`uatdur 7 e) Id nblfrd `d pbrtdurs `d amerod dst pius oren` qud adiuk `‛un `ëtdatdur `ëtdat dur ê oez. f) I‛ëndrokd nëadssekrd pbur arëdr und pekrd `d pbrtdurs `d amerod dst `d 6: dS. a) Ie hbnatkbn `bkt ètrd pbierksëd dn `krdat. `) Id pbtdntkdi `d pbierksetkbn `bkt ètrd pius oren` qud id pbtdntkdi `d aiequeod. Dxdrakad 0 (4 pt) Id Aëskul 51?(
44As
51?
) sd `ëskntíord per ëlksskbn fëte lbkns vdrs id nkvdeu
lëtestefid `d trensktkbn 336 gdS (;1,4%) `u
51? l, 43 Fe
dt dn lèld tdlps vdrs sbn
nkvdeu cbn`eldntei cbn`eldntei stefid (3,4%). Adttd `drnkírd `ëskntëoretkbn dst sukvkd per und ëlksskbn `‛un reybnndldnt ] aereatërkstkqud `d ie abuamd G, `d 16 gdS.
…/…
TQPB/Ceauitë TQPB/Ceauitë `d Zmyskqud/Lestdr Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndl Veybnndldnt, dnt, E. M. M. Fdifeamkr Fdifeamkr
Sbkr id spdatrd `u
44 As
51?
bftdnu per un `ëtdatdur sakntkiietdur NeK(Pi) dt
5) K`dntkckdr ie pmbtb pka `u Aëskul 51? dt `ëtdrlkndr sbn ëndrokd 6) K`dntkckdr id fbr` `d Ablptbn dt `bnndr sbn ëndrokd 1) Sërkckdr qud i‛ëndrokd `u fbr` `d Ablptbn abrrdspbn` pretkqudldnt ê (Ek`d 8 aeiauidr pbur puks sbn ëndrokd dn gdS)
TQPB/Ceauitë TQPB/Ceauitë `d Zmyskqud/Lestdr Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndl Veybnndldnt, dnt, E. M. M. Fdifeamkr Fdifeamkr
Lestdr 8 QVK @ëtdatkbn dt ldsurd `ds reybnndldnts Abrrkoë `u abntrðid abntknu `u 6:/:5/6:53 Dxdrakad 5 (=,4 pt) e) Id cki enb`d (exkei), ie aetmb`d ayikn`rkqud, id oez `d rdlpiksseod. f) Tnd meutd tdnskbn dst eppikquëd dntrd i‛enb`d dt ie aetmb`d pbur arëdr un amelp ëidatrkqud kntdnsd prís `d i‛exd `u ayikn`rd aepefid `‛eaaëiërdr ids pbrtdurs `d amerod arëds per id reybnndldnt dt euoldntdr idurs nblfrds per id pmënblínd `d luitkpikaetkbn dt dnckn ids abiidatdr repk`dldnt pbur arëdr id skonei `d `ëtdatkbn. a)
S
) D ( r
r in(
f r
)
`) Abiidatkbn pertkdiid, abiidatkbn tbteid(seturetkbn), rëokbn prbpbrtkbnndiid, rëokbn prbpbrtkbnneiktë iklktëd dt rëokbn Odkodr-luiidr. d) Vëpbn`rd per C(ceut) C(ceut) bu per S(vreks) S(vreks) 5) C 6) C 1) S 0) C 4) S Dxdrakad 6 (0,4 pt) @ens ie `ëtdatkbn per un sakntkiietdur NeK(Pi), qudi dst id rðid `d8 e) Id arkstei `‛kb`urd `d sb`kul s b`kul `bpë `d tmeiikul (NeK(Pi)) f) Ie pmbtbaetmb`d a) Id pmbtbluitkpikaetdur (ZL) Dxdrakad 1 (6 pt) Vëpbn`rd per C (ceut) bu per S (vreks). @ens un `ëtdatdur ê sdlk-abn`uatdur 7 e) S f) C a) C `) C Dxdrakad 0 (4 pt) 5) Id pmbtb pkqud `d
44As
51?
dt e und ëndrokd `d 336 gdS
6) Id fbr` `d Ablptbn sd trbuvd epprbxkletkvdldnt ê 03: gdS 1)
ma
D
336 gdS
ma 336gdS
:
:,:5=?
:
D
Br
a (5
D
ma
abs )
3,31 5: 10
:,:5==
:,:601 (5 abs )
1 5:= :
:,:3?0
6;4 5: 53 H 5=0gdS
:,:3?0 D
336gdS 5=0gdS
0?=gdS 03:gdS `bnnë per id spdatrd.
Lestdr 8 Qakdnads Ve`kbibokquds dt Kleodrkd @ëtdatkbn dt ldsurd `ds reybnndldnts Abntrðid abntknu `u 63/:5/6:5:
Dxdrakad 5 5) Uudiids sbnt ids pertkds dssdntkdiids `‛un `ëtdatdur ê oez dt qudi dst id prknakpd `d sbn cbnatkbnndldnt. 6) Aktdr ids `kccërdntds rëokbns `d cbnatkbnndldnt `‛un `ëtdatdur ê oez quen` bn bn euoldntd prbordsskvdldnt se tdnskbn `d pbierksetkbn S. 1) @bnndr id amelp ëidatrkqud D(r) ê i‛kntërkdur `‛un `ëtdatdur ê oez `d cbrld ayikn`rkqud dn cbnatkbn `d sds perelítrds oëblëtrkquds dt S. Dxdrakad 6 Id akraukt dxtërkdur `‛un `ëtdatdur trevdrsë per un aburent ëidatrkqud k(t) < k:.dxp(-ηt), pdut ètrd rdprësdntë per id akraukt ëqukveidnt sukvent 8 k(t) A
V
S(t)
5) Prbuvdr und ëquetkbn `kccërdntkdiid quk obuvdrnd S(t). 6) Prbuvdr i‛dxprdsskbn `d ie tdnskbn S(t) dn cbnatkbn `d ie abnstentd `u akraukt π > >> e 2
Eppikaetkb nulërkqud 8 e < 5 al, ` < 5: al TQPB --- @ëpertdldnt `d Zmyskqud---S(t)LEQPDV 8 QVK @ëtdatkbn dt ldsurd `ds reybnndldnts Abrrkoë `u Abntrðid Abntknu `u 63 Henvkdr H envkdr 6:5:
Abrrkoë Dxdrakad 5 5) Ids pertkds dssdntkdiids dssdntkdiid s `‛un `ëtdatdur ê oez 8 und aetmb`d (dn oënërei perbk kntdrnd `‛un tufd ayikn`rkqud), und enb`d (cki abn`uatdur sdibn i‛exd `u tufd), un oez rdlpikssent rdlpikss ent id tufd ayikn`rkqud. Id prknakpd `d cbnatkbnndldnt dst fesë sur i‛eppikaetkbn `‛un pbtdntkdi `d pbierksetkbn quk pdrldt ie abiidatkbn `ds amerods `‛kbns arëds per id reybnndldnt ê `ëtdatdr. 6) Ids `kccërdntds zbnds dn cbnatkbn `u pbtdntkdi eppikquë e ppikquë sbnt 8 zbnd `d abiidatkbn pertkdiid, zbnd `d seturetkbn (abiidatkbn dntkírd), prbpbrtkbnneiktë iknëekrd, prbpbrtkbnneiktë nbn iknëekrd, Odkodr -Luiidr 1) Dxdrakad 6 5)
,
6) Qbiutkbn mblboínd Qbiutkbn pertkauikírd Qbiutkbn oënëreid 1)
bn e
bn e
Dxdraksd 1 `
6 (5 ` e
`
6
pbsbns
e
6
`
6
e `
`
6 (5
)
e6
) 6 (5
Eppikaetkb nulërkqud 8 e < 5 al, ` < 5: al 6
e 1,50 5: 6 sr `
5 5 6
) 6 (5 (5
5 6 e 6 ....) 6 6 `
TQPB/Ceauitë TQPB/Ceaui të `d Zmyskqud/Lestdr Zmyskqud/Lestdr QVK/@ëtdatkbn dt Ldsurd `ds Veybnndldnt, E. M. Fdifeamkr
Lestdr 8 QVK @ëtdatkbn dt ldsurd `ds reybnndldnts Dxeldn cknei `u 6:/:5/6:53 Dxdrakad 5(54,4 pt) @ens und dxpërkdnad bn e ldsurë id reybnndldnt Oelle ëlks per und sburad `‛eatkvktë Q. Bn e bftdnu id tefideu `ds veidurs sukvent 8 Dndrokd (gdS) Nblfrd Klpuiskbns/s
46
=?
515 5?0 635 10= 014 0?; 466 433 3:; 336
=4: =6: =:: ?=: ?4: 33: ?:: ?6: 54: ?:
3;3 ?15
10: 1::: 3:: ;:
5) Preadr id nblfrd `‛klpuiskbns/s, dn cbnatkbn `d i‛ëndrokd (Ttkiksdr und ëamdiid sdlk-iboerktmlkqud evda i‛ëndrokd dn gdS dn efsakssd). (0,4 pt) 6) e)Id spdatrd dst-ki `kccërdntkdi bu bu kntëorei kntëorei 2 (:,4pt) f) K`dntkckdr `ens id spdatrd id pmbtbn pka dt `ë`ukrd i‛ëndrokd `u reybnndldnt Oelle ëlks per ie sburad dt aeiauidr se ibnoudur `‛bn`d. (5,4 pt) a) Uudiid dst adttd sburad 2 (:,4 pt) 1) K`dntkckdr id fbr` `d Ablptbn dt `ë`ukrd i‛ëndrokd pbrtëd per id pmbtbn `kccusë dt aeiauidr se ibnoudur `‛bn`d. Sërkckdr qud adttd veidur abrrdspbn` ê und `kccuskbn Ablptbn pbu . (6,4 pt) 0) Id `ëtdatdur utkiksë `ens adttd dxpërkdnad sd trbuvekt ê 6: al `d ie sburad Q dt, evekt und surcead akrauiekrd `d reybn e
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