Nuclear Physics 1hindi

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PHYSICS COURSE Nuclear physics -1(AIEEE/PET/PMT-2013) SARASWATI November 11, 2014



1. ,d fdyksxzk !zO"k# $s %zkI& 'k yxHkx *+&+S

(a) 1-10− J (b) 1 J

(c) 1210− J (d)

1.10 J 2. M"f*" d U/k# 'k 2.23 MeV +ks &ks

a.m.u. s 4$d !zO"k# 5kf& +ksx

(a) – 0.0024 (b) – 0.0012

(c) 0.0012 (d) 0.0024

3. +fy" ds #kfHkd d !zO"k# 5kf& (Mass-

defect) 0.0303 a.m.u. +S6 &ks %zf& U"f7y"kW#+fy" d U/k# 'k MeV s +ksx

(a) 28 (b) 7

(c) 4 (d) 1

4. &k*k%8* %*k9k8 :kf; <s=k# d 'k >R%U# d*#s

d 5k&k 200 MW +SA &ks ,d f!# s >R%?'k +ksx

(a) 200 MW (b)200 y

(c) @10AB00× y (d)

10101.2B× y

5. fd$ %*k9k8 ds #kfHkd d %zf& U"f7ykW#kS$& U/k# 'k +ks& +S (yxHkx)

(a) 8 eV (b) 8 KeV

(c) 8 MeV (d) 8 J

6. M"DkW#

2

1

H

d U/k# 'k 1.112 MeV

%zf& U"f7ykW# &kk −α d9k A

2He d U/k#'k 7.047 MeV %zf& U"f7ykW# +S6 & $y"#

fHkfF"k QHeHH +→+ A

22

12

1 , s 87& 'k Q

+ks& +S

(a) 1 MeV (b) 11.9 MeV

(c) 23.8 MeV (d) 931 MeV

7. M"DkW# kS* α - d9k d %zf& U"f7y"kW#

U/k# 'k F=kG x1 kS* x2 +SA fHkfF"k

QHeHH +→+

A2

21

21 s f#dy +84 'k Qfd&# +ksx

(a) )(A 21 x x + (b) )(A 12 x x − (c) )(2 21 x x + (d) )(2 12 x x −

8.

A2He #kfHkd d fT"k 3 +S6 &ks

20@B2Pb

#kfHkd d fT"k +ksx

(a) 5 Fermi(b)6 Fermi(c) 11.16 Fermi(d)8 Fermi

9. "f! .Li ,J AHe ds #kfHkdks s %zf&

U"f7ykW# /k# 'k F=kG 5.60 MeV ,J

7.06 MeV +S6 &ks f#E# fHkfF"kA

2. 2 He pLi →+ d 'k +ksx

(a) 19.6 MeV (b)2.4 MeV (c)8.4 MeV (d)17.3 MeV 10. ,d #kfHkd !ks #kfHkdks s &k +S

f#ds Jsxks dk #8%k& 2 : 1 +SA 4#ds#kfHkd" kdk*ks dk #8%k& +ksxk(#kfHkd" fT"k)

(a) 1K2 3/1(b)

3/12K1

(c) 1K3 2/1 (d)2/1

3K1

11. "f! ,d 2H #kfHkd %9k&G 'k s %f*Jf&&+ks k"s &ks >R%? 'k +ksx

(a) 1 MeV (b) 938 MeV

(c) 9.38 MeV (d) 238 MeV

12. f#E# s $s dkS#$k dk# $R" +S

(a) <kk" #kfHkd dk fJ*k !zO"k# 4$ds

yx-yx U"f7y"kW#ks ds !zO"k#ksds "ksx $s d +ks&k +S

(b) f<k* #kfHkd dk fJ*k !zO"k# 4$ds yx-yx U"f7y"kW#ks ds !zO"k#ks ds"ksx $s MLk +ks&k +S

(c) #kfHkd" $y"# s k/" !zO"k#ks(yxHkx100 a.m.u.) ds #kfHkdks ds8ML#s $s 'k 8; +ksx

(d) #kfHkd" fJk9M# s Hkk* #kfHkd ds#s $s 'k 8; +ksx

13. &k%" U"DkW# d kS$& xf& 'k +ksx6yxHkx

(a) eV 0390 (b) eV 3

(c) KeV 3 (d) MeV 3

(ksYS# f<k*kd KelvineV K B /10B -−×= )

14. f#E# #kfHkd" fHkfF"k s A !=kk&k +S AY X He A

z A

z +→+ +

+

32

A2

(a) 4ys7DkW# (b)%kWfDkW#

(c) %zkskW# (d)U"DkW#

15. N

A Be %*k9k8 %* α -d9kks d kSk* d*&s

+S6 &ks #kfHkd" fHkfF"k $s12

@C %zkI&+ks&k +S6 & !$*k d9k +ksxk

(a)0

1e− (b)

11H

(c)2

1D (d)1

0n

16. #kfHkd" $y"# fHkfF"k s



(a) ,d Hkk* #kfHkd <J&G !ks k9Mks sfJHk; +ks k&k +S

(b) ,d +Yds #kfHkd %* '" U"DkW# dkSk* d*&s +S6 &ks J+ kfM& +ks k&k +S

(c) ,d Hkk* #kfHkd %* '" U"DkW# dkSk* d*&s +S6 &ks J+ kfM& +ks k&k +S

(d) !ks +Yds #kfHkd $"8; +ksd* Hkk* #kfHkd#k&s +S

17. ,d γ -fd*9k kskW#6 ,d 4ys7DkW#-%kWfDkW#

"8Q d >R%fk d*&k +SA "f! 4ys7DkW# dfJ*k 'k !zO"k# 0.5 MeV &kk 4ys7DkW#-

%kWfDkW# "8Q d xf& 'k 0.78 MeV +S6 &ks

γ -fd*9k kskW# d 'k +ksx

(a) 0.78 MeV (b) 1.78 MeV

(c) 1.28 MeV (d) 0.28 Me

18. 23-

N2U dk fJk9M# +ks&k +S &ks 4$ds%zk*fEHkd !zO"k# dk 0.1% 'k ds K% s !y

k&k +SA "f! 1 fdxzk 23-N2U dk fJk9M# +ks&k +S&ks fd&# 'k >R%? +ksx

(a) J1010N× (b) J1110N×

(c) J1210N× (d) J1310N×

19. 23-U ds ,d #kfHkd $s %zf& fJk9M# 200 MeV 'k%zkI& +ks $d& +SA ,d f*,7* $s 1000 fdyksJk:kf; >R%? +ks *+ +SA f*,7* s #kfHkd"fJk9M# d !* +ksx

(a) 1000(b) B102× (c)

1@1012-93 × (d) 931

20. "f! 23-U ds ,d #kfHkd $s %zf& fJk9M# 200 MeV

'k 8; +ks& +ks &ks 1 fdyksJk :kf;>R%k!# ds fy"s %zf& $Sd9M fJk9M#ks d $"k

+ksx (f!"k +S JeV 1N10@911 −×= )

(a) 131012-93 × (b)

1A1012-93 × (c) 1-1012-93 × (d)

1@1012-93 ×

21. 293 sxkJk :kf7& >R%? d*#s ds fy, %zf&ff#23-

U ds fJk9M#ks d $"k +ksx (%zf& fJk9M#87& 'k = 200 MeV , 1e = 1.6 ! 10 –19 J

(a) 1B10@× (b)

1.10@× (c) 1.10 (d)

1@10@×

22.23-U ds R"sd fJk9M# s >R%? &kRdkfyd

U"DkW#ks d kS$& $"k +ks& +S

(a) 5 $s f/kd(b)3 $s 5(c) 2 $s 3(d) 1 $s 2

23. "f! M ,J A F:kG %*k9k8-!zO"k# ,J

!zO"k# $"k +ks &ks $d8y# x89kkd ("ac#$&

f'act$) O"7& fd"k k&k +S

(a) AM

A

− (b) A

M A−

(c) AM

M

− (d) A

AM −

24. pM

,d %zkskW# ds !zO"k# dks O"; d*&k +SkS* M n ,d U"DkW# ds !zO"k# dks6 ,d#kfHkd s Z %zkskW# kS* N U"DkW#+S kS* 4$d k/k# 'k B +SA 4$ #kfHkddk !zO"k# M ( N , Z ) O"; +ksxk (c %zdk:k dkJsx +S

)(a)

2),( Bc ZMNM Z NM pn −+=

(b)2),( Bc ZMNM Z NM pn ++=

(c)2/),( cB ZMNM Z NM pn −+=

(d)2/),( cB ZMNM Z NM pn ++=

25. %zk*EHk s fJ*k s f<k& ,d #kfHkd Po210BA

,d α -d9k v ky $s >R$f& d*&k +SA %8#kfHkd dk %zf&5ks% Jsx +ksxk1@2

(a) 4v206(b)4v214(c) v206(d) v214

26. fHkfF"k nHeHH 10

A2

31

21 +→+ s "f! ,

31

21 HH

&kk HeA2 d U/k# 'k"s F:kG a, b kS* c

( MeV s) +S &ks 4$ fHkfF"k s 87&'k ( MeV s) +S

(a) bac −+ (b) bac −−

(c) cba ++ (d) cba −+

27. #kfHkdks dk fJk9M# $EHkJ +S6 7"ksfd>#s %zf& U"f7ykW# U/k# 'k

(a) f/kd !zO"k# $"kks %* !zO"k# $"kds $kk L& +S

(b) f/kd !zO"k# $"kks %* !zO"k# $"kds $kk Vk& +S

(c) f#E# !zO"k# $"kks %* !zO"k# $"kds $kk L& +S

(d) f#E# !zO"k# $"kks %* !zO"k# $"kds $kk Vk& +S

28. fd$ fJk9M# %zfF"k s #8%k&

k!zO"dk#kfHkdks%zk*fEHkd k!zO"dk>R%k!ksfJk9M# dk k# +S

(a)1 $s d (b)1 $s f/kd (c) 1 ds *k*(d) %zk*fEHkd #kfHkd ds !zO"k# %* f#Hk

d*&k +S

29. "f! Al2.13 #kfHkd d fT"k dk kdy# 3.6 *

fd"k k&k +S6 &ks Te12--2 #kfHkd d fT"k

+ksx6 yxHkx(a) 4 (b) 5

(c) 6 (d) 8



*

+

120906030

5.0

7.58.08.5

M e e s a ./ . ) 0 1 2f 3 4 5# - uu#f#d d e#u a;#

30. fJ*k s f<k& ,d Hkk* #kfHkd !ks

8dMLks s k&k +SA "s 8dMLs 1KB

ds Jsx $s xf&k# +ks k&s +SA &ks 8dMLksd fT"kks dk #8%k& +ksxk

(a) 1 : 2(b)1 : 4(c) 4 : 1(d) 2 : 1

31. 4ys7DkW# &kk %WkDkW# dk fJ*k

!zO"k# MeV -190 +SA ,d 4ys7DkW# &kk%kWDkW# fJyks& +ks&s +S &ks Js xkk

fd*9ks >R%? d*&s +SA 4#d &*x!S/" +S

(a) 0.012 Å(b)0.024 Å(c)0.012 Å $s ∞(d)0.024 Å $s ∞

32. #kfHkd" $y"# fHkfF"k nHeHH +→+ A

231

21 s

!ks #kfHkdks ds %zf&dk f<kf& 'k J1A10.9. −

×− +SA fHkfF"k %zzk*EHk d*#s ds fy,6xS$ks ds fd$ &k% &d x d*#k kf+"s

;JksYS# f#"&kd K Jk /103B91 23−×= <

(a) K N10 (b) K .10 (c) K -10 (d) K 310

33. %zk*EHk s f<k* ,d #kfHkd f$d !zO"k#

$"k 220 +S6 ,d α-d9k >R$f& d*&k +SA "f!

fHkfF"k dk Q k# 5.5 MeV +ks &ks α-d9k d

xf& 'k +ksx

(a) 4.4 MeV (b) 5.4 MeV

(c) 5.6 MeV (d) 6.5 MeV

34. %zf& U"f7y"kW# U/k# 'k &kk #kfHkd ds!zO"k# ds JF dks f s !:kk"k x"k

+SA k* #kfHkd W, X, Y kS* Z 4$ JF %* 4fx&+SA #kfHkd" fHkfF"k f$s 'k >R%?+ksx J+ +S

(a) Z Y 2→

(b) Z X +→

(c)Y 2→

(d) Z Y X +→

Nuclear Physics 1hindi

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