No. of T J · PDF file12.06.2016 · PART.III Stu.:f rflu..rar / PHYSICS / Ta[ril & English Versions).LU T J / J 6028 [ 6Lon$p Lo$uGuainsoir : 150 [Maximum N{arks : 150 30x1=30

PART.III

Stu.:f rflu..rar / PHYSICS

/ Ta[ril & English Versions)

.LU T J / J

6028

[ 6Lon$p Lo$uGuainsoir : 150

[Maximum N{arks : 150

30x1=30

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Tine Alloh'ed : 3 Hours ]

3XfleleorT : (1)

Instructions: (1)

odtl1 , (i)

(ii)

No. of Prir-rted Pages : 16

iililillffi lilflil rlllfr liHililffi liil

Note :

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Register Number

(2)

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-et q&Gsnq@arpp gb I u-leinu @$p Gor ain@ Ln. u unlseir o: ao7orp$1g

Gueirflel uuoirr@$po1Lb.

Check the .iuestion paper for fairness oI printing lf there is an)' lack of

Iairness, inJortl the Hall Supervisor immediately

i2) Use Blue or Btack inl< to \'!'rdte and irnderLine and pencil to diaw diagrams'

u(gSl -I'I'ART-I

(i)

(ii)

.er6o6'dids.t er5 ernria1c"5ri,e,i e6 eo lef i,oo1-b

efi urreu o,9arreou.l$ GpnpGp@pgt n(gp6qb

Answer all lhe questions.

Choose and wrile the coftect answel.

T o o (

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1. L6l6i, @.5gD6o6.rr.9 uin 6119 .-p6,pgld&n6d s6L g :

(gr) v/m (q) c/* (6) v* (n) cmThe unit of electdc dipole moment is :

(a) V/1li @). C/m (c) Vm (d) Cm

2. eorfl6rEl6D56i 6rain,1.5. L6DLu_1 oainonnrq i.:7u r9ein dg: eaoflu: neng g$pnsof qg "bG ,-gl go.flo,9er,oai Gsnaurb :

(.9r) 30" (g) sin 1 (0.666)

(6) "S (n ) sin-1 (0.7s)

A ray of light is incident normally on a glass surface of r.efi.active index 1.5. The angleoI refraction is :

(a) 30' (b) sin-1 (0.666)

(c) zero (d) sin-1 (0.75)

3, uuJL - enorir o$$Mein eLo6i,rurt@ :

, -\ ,lB = po l* r ., r di = io ldl.iro4r rz \"zt) 4n .2

(6') dE rto -!g!J (r) ;d= au r-dr'r+f r' 41i t'

\\4rich of the following equatrons represents Biot - Savert la\,,' ?

ra) dB rs 4 rbr dri = po ldlsino

+1r r' +rr

(., as'- 4[ Idt" t (d) aB'= !o .]+J41t t' +It r

4. e(D 56D2i6lLr rQriai;1gib AM ey$r9lu-!1d *oiroflrr.ereneuu9u.lSS)Li9leir etf nGorain7.245 MHz oretflel @eoeeq 6lsururlrurr ge$rr1uq $looeuu$peir et$'i6erein:(el) 45s kHz (+) 790 kHz (6) 6e0 kHz (n) eeo kHz

In an AM superheterodyne receiver dre local oscillator ftequency is 1.245 MHz. Thetuned statiorl frequency is :

(a) 455 kHz (b) 790 kHz (c) 690 kHz (d) 990 kl{z



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5, 60" p6n a6eoorq Gsnotr$$lSsnem gaflaSleusel erain:

(sr) 1.732

(a) 7.732 (b) 1.414 (c) 1.s

(.gu) AB (g) B

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(+) 1.414 (6r) 1.s

The re{ractive index of the medium for. the polarising angle 60. is :

(n) 1.468

(d) 1.468

6. g19 aLbrlldagaflel unqLb dleirGenrrrLb er(larnrqsl(g 40 A s 1 ereirp a9p$peuongLbGurqgg glainruI@ri dleiiredluBg or5leDe 12 V erorflair, oLi6lealgoieinpeinr,Oein gtainrol crain r

(€r) 0.3 H (+) 0.003 H (€i) 30 H (r) a.8 H

An enf of 12 V is induced when the current in the coil changes at the rate of 40 A s-1The coe{Iicient of self induction of the coil is :

(a) 0.3 H &) 0.003 H (c) 30 H (d) 4.8 H

7. gerlu.loiir etelg$Lr7n a,5lpoofleiuq (A+AB) 6r6i'rp eLooinun$ erp!1ge +LoLb ?

(.er) A (") AAccording to the laws of Booleart algebra, the expression (A +AB) is equal to :

(") A (t) AB (c) B (d) A

8. pgurefiein erenenu qu.lor9ldr r eqcneu$arg:oiren gorfl u-.16, 50 Gle.L6. eraoenol' +[goLb rohor p rr&1go686u6ireLb L]LLr6ijru@pg1 LbGr ng 6arr61grb 10 ergl

s6eoo ereoonu'l$$ein +[Ln ./E mm +1qLb e1Gp srooo$on$paL 2 nr o16116116!1

+rIGD6h6rr prud (5er9 Gareina Iu.reirL.r $t$$ornd 6leor&gLir 10-6]gt 6(D6oLD

araroru.l$$leir grydl :

(e) 3 arm (+) 2,5 r,r* (6) s"6 ,,,- (") +v5 *,l'ln Newton s ring expeiirnent when a wavelength of light I and a plaio convex lens ofradius of €urvature 50 cm is used, the ladius o{ the 10dr dark ring is .[ mm. Thenwith the same wavelength, a plano conver lens of radius of curvafure 2 m is used, theradius ol the 10 1 dark ling is :

(a) 3 mm (b) 2J3 ""rl G) 3.r5'rm (d) +]j 'll^

I p6rqs / Turn over



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9. G.r-rei,'eiu 6, S .rpp 68 fb u: 6ii slra r' u6o rJleuneng ?

1,"x) L6l6ir6nn .s. 6lofleirao o t.s,).lr- .q r6lerSlainao o

(g) o,6p er gle$dreno (") +ppnir et g! o,9 eireo Lo

Lenz's lal^, is in accordance with the iau, of :

(a) ConseNation of charges (b) Conservation of flux

(c) Conservatioh of momenlum (d) Conservation of energy

10. srir9ii agerflai @g$5l qpao;$p6;g r-0einGennrr$arp unu6. 6leurqri LonE$eoe

dl cinarfl Lu ri 16l Ll9) ain lmr u u

(er) qaud,sn$pLir

(6) pg6tf oraroru:niseir

The part of ihe AC generator thaicircuii is :

(a) Ficld magnets

(c) Slip dngs

11. ,oHg196 +X -r ,9Au198 + tH1 6r6ifip stg)rd;6/O etgatarujlel X 6r6irug 6rp6odr&

gfld;61-b ?

(er) qGlnrrnain (q) oeu&rlnain ($) pgryreir (r-t') qgr[r6itr

In the nuclear reachon ^nHglgE

+X -; ,rAul98 + rH1, X staads ior :

( g) r9eneqrrr araoenurb

(n ) glrieoosoir

passes the current fiom the coil to the external

(b) Spljt rings

(d) Brushes

(a) Proton (b) Elechon (c) Neuhon (d) Deukon

72. 6ng!tt-V{1661 gl @l6il6u .9r+ 616o6Du966lgpg 6onri}6lun&e$ Ggararunengarp$grre +Dp6b (sr6beugJ) gpai dlarril8un&e 6)oiretrqg$p qf peb :

(sr) 13.6 ev (. ) 10.2 ev (@) :.+ ev (rI) 1.89 eV

The first exciiahon potential energy 01 the minimum energy required to excite the atomfron glound state of hyclrogen atom is :

(d) 1.89 eV(a) 13.6 eV ft) 10.2 e\r (c) 3.4 eV



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13. g6o6u 6rai,n 6.6inugl :

(el) gg oflernqu9eir e,lgarnlgir gtateusofl eiir erairialfl riros

(+)gtU ir'r ri $en$$el e oiar +1orer-,-orfeir o airarfldar'+

(6) 3x108 r-6rrf $ar$$leb roiror 4lareuoaflein araioralfldeos

(n) r 6LLi $ar$$< *eirm 44areusofleiir arainolflriars

Wave number is :

(a) number of u,aves produced in one second

(b) number of waves in one meter lengd1

(c) number o{ waves in 3 x 108 m length

(d) number of waves in \ meter lengdl

14. gg Goruu r-61eiirafl rl reo ru-9 eb gaflri+$$u9lein GarriL-r$)aoeu 20"C.6lOLrLl6a.:uu$aro 270t 6r@fl6l qqr@ Glar u u$)eoeuu-] rrem5].

(sr) 520'c (+) 540"c (6) s00"c (n') 510"c

In a thermocouple the temperafure of the cold jnnction is 20'C, the neuh.al'temperatureis270'C. The lemperahlre of inversion is:

(a) s20'C (b) s40'C (c) 500'C (d) s10.C

15. L6l6trsnDp .gtcoeuseir :

( er ) 1qp&eoreuoch qlgLb

(q) 6lprraraoooir qigLb

(@ ) iggdsaroroornoGeu n g alatg 6)prreoeueorraGo n @qg&saunLb.

( r,) qggrioeoeuogLir .qelou; Clprueoeus@Lb g aleu

Electomagnetic waves are i

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(a) Transverse

(b) Longitudinal

(c) May be longitudinal or baisverse

(d) Neither longitudinal nor transverse

[ 6qDl,q- / Tum over



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16. 6lprarar poaSluglornel clglLru Garaiorqu slrieq$p qerari$earp d)einaneoeuoonneLDrtbm Lb alo6d)m l

(et) er$ClrlnoflLrq (q) or rfltsoainGomrrurLb

(@) raincrgpLb (n) gof Longrn@

Printed doftnlents to be hansmitted by fax ale converted into elechical gignals by theprocess oI :

(a) Rellection @) Scanning

(c) Modulation (d) Light variation

17. GL.l1gLo e!E6g6rlr.b $patenu 6lu$gohorarou :

(er) a - 5leoiioeir (€) B - g,Js6ir66ir

($) onLon e$lrisch (n') qGlnrrneinsohThe penefuating power is maximum Ior I

(a) o - particles (1)) p - particles

(c) ganrna rays (d) protons

18. 6lungoh gein$leir gofl Ldleir GouoflGu:$g +DD6b 6,626 x 10-1e J 6r6ifl6b uu_r6ijrClpnL-&o s6liGerain :

(el)1x1015H2 (g)rOrto-tsHz (g) 1x10-1sHz (Fr,) 10x101eHzThe work function of a photoelectric mate alis6.626x10-19J. The threshold lrequency15:

(a) 1x1015 Hz (b) torro-ts:Hz G) 1x1o 15 Hz (d) 10x101eHz

19. gr9 Geueri Glaroflo,9@ri gorflu9ein flpLb:(.et) L:$are gafl (q) 6orl:q gafl

(@) Loqleoh gofl (,-r,) Gouciraror gaflThe colour of light emitted by ruby laser :

(a) Green light (b) Red light(c) Yelow light (d) \.^,,hite [ghr



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20. d)oirgrrrLb Glr$peiron zoir#r$gr zGeunsLru$g A.ing, *S 16 oinq ar$ eogeruqohorfl eafl ei Gpn$poEd:61p51?

(st) Gsnor$$Sg GleroflGu: (+)erpui,r ulru0eiir Goeir

(S) Gsrion$$ein zuqpLb ( rr-) SlryLornlig Glpnareuoq&6q +luuneirA hollow metal ball carfing al1 electric charge produces no electric field at points :

(a) outside the sphere (b) on its surlace

(c) inside the sphere (d) at a distance more than twice

27. Eryrr,r r-6letrqeu$$teb, q6DpSlpg @eoaruns, etp6iiT st&e ereoLoqLong gg r_6lein

@fgcp-eol enourisuurunel stgt Lorliclgj :

(.sr) GlLoripp erSlaoeeo u.: rou@Lir

(:t) SO",f ei91eo+eour Lor@ib

(@ r Clonpg o5lene Lo9p,o $lguqo51ar+ @raina.r r-Lb

(r-i') GLon$g erglauqri +4deu; $lgrlq orglareqLb seieuA dipole is placed in a unifoim electric {ield with its axis parallel to the field. Itexpedences :

fa) onlv a ne( Iorce

(b) only a torque

(c) both a net force and torque

(d) neiiher a net force nor a torque

22. N- 6!6b)5 lgorpdeu$pu9el L6ir6r6o6! r

("+) @u&or-6leneon er$rirflein e1u.lerflsair

(qtr ) 613uneirarLo cerri$l+ar edr,eu

($t ) $u-l6,;or.6lebeun Gpndein e1 uedleoir

( r'r, ) dleing eoorscir Gl u1g Liu neineoLo eoi'$isoh

ln a N-type semiconductor, there are :

(a) immobile negative ions

(b) no minority cariers(c) immobile positive ions

(d) holes as majo ty carriers

,)I pi(EUL16 / rurn over



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23. dleirGp&61 Lor@Gro renrur 96 ec r6loina$Slci, 6r$pcld nO sam$$gl6

6)eu:eir@Lb r-6leinGennrr$$lein sLo6i,rLrr@ i = I0 .t" (.r + ;) ererflel er$pG1orn6g

s6&Tpi9 gl Lb G)euei u@$pLr r @ 6 r-61einafi u66 e,9leo)e6sn6i.r +ioeiru n@ :

isr ) e Eo sin oi (qs r e Eo sin [-t :)

(g) ,-Eosinl-r;] r-r e=Fo"-["-;,In an AC circuit containing only a capacitor lhe instantaneous curent is given by the

/-\equation i : l0 sm

l,,rt +

J . The instantaneous emf is given by the equatjon :

(a) e = Eo sin ot Eo sin

Eo sin

24. dl6iJrg[Llr6r5oh cruGlrnqgofleir orglGu eraflpnsu unLi$g Ctealgl Lb ?

(e) gornri reiu (g) ooLodorr (@) 6 gnLo ncti u-: Lb (r+) pnL-61nr

The matedal through which electuic charge can flow easil]' is :

(a) Quartz (b) Mica (c) G-"rrnanium (d) Copper

25, Lr L!r6i,r Glpnrri;e .e$l nGerainarfl el, oeurirqneirsafl ein $leosGoua Lb :

(.s) "S (g) 6LgLoLir ($) SlgmLb (r.r) 9qol9l6tl

At the threshold ftequency, the velocity oI the electrons is :

(a) Zero (b) Maximum (c) Minimum (d) lnfinitP

26. 64 €lgl,n5g.6g6dT66o6n?i Ganainr e1g16o6o$0fr qlLb :

(.9r) 2.6 I (q) s.2 F (61) 10.4 F (.r) 7.8 F

The radius of the nucleus which contairs & nucleons is :

(a) 2.5 F (b) s.2 F (c) 10.4 F (d) 7.8 F

(c) "=ro "-(.,t + f)

(b) e=

(d) "=



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27. '€ 6r!lO6lD6rT Glsnainu errrs$$eb ororrisuuu$chor @g Lflainglrrrdsqgtig

SarrGuunerr o'9lane :

{*r ; '.rq' t-tt ' ' ro" ', a-l'

,ar' 9r too 9r-9i q ioo 'l -l'.'

("' ,. -;

The force between two charges situated in a medium oI permittivity '6 is :

,a) * +r-' (b) q < too e' !i

G) e x 1oe qliq2 ., 5* iF

28. si@l66l6i erarriuTneineaflein $oireurruuneop sg$$laroarri; o.'p51urour;

(sr) l.l. prLie6i,r (4) Gunrl (@) enLoriGlue @ (r) q L9qr6r5l

The elliptical orbits oI electron in the atom were proposed by I

(a) J.J. Thomson (b) Bohr (c) Sonlnlerfeld (d) dc Broglie

29. Loelrgl8 rrfl ai dleinGennrr et aralGsreu Gp(g €l 6rol Gs rcil o9 auris$eop&

onr@LbGun5l, gLb L-Srrri gareqGsnei lgfluugi ,

(e1) Glulqlotb gainel g:rqeflorSl eleloo

(+) Cl+u9osl(A) "S(m) BEuLorb garnel e$ eeleuIi a multimeter, when the curent scale shows fu1l scale deflection, the ohmmeter scale

reads :

(a) Maximum but not irfinity&) Il1Jinity(c) Zero(d) Mirlimum but not zero

30. 6[SE Gsr6n&6ou..]& oaiorrfluu rueiru@erg :

(gt) rsP3' (+) ruPu' (A) zoF"5t (n') ,rNa2a

Anaenria can be diagnosed by :

(u) rsP31 &) ,sP32 (c) *Fese (d) ,1Na2a

[ $]OuLla / Tulrr over



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39. Llp e6Eprd 56n5otfl6h uur6ijr56rfl6i 6.6d6rrcur@llb GD6i,rdl6o6!T 6r(rge.

lvrite anv tl1ree uses of ultraviolet radiation.

40. gerflo,Sleuooir erainf rorru eerus6 geirflein LBg: p6n6,5l6i)6nolpn gaflu:norg

parer9leoonoqd Gsnon$$eil u @ LbGr ng o6leulq Gs nom$atp6 aan&61 @e.

The refractive index of the medium is .r[. Calculate the angle of relraction if the

unpota sed light is incident on it at the Poladsing angle o{ the medium

41. G6Dsri Gleu.j6o6ul-i Glup Geuainrgu-r 0uEp6D6fl66h ulr6o6)r ?

Wdte the conditions to achleve Laser action.

6enain@ g:peu or rfl eoeLLq 6l sorr&6 ru u @Lb 6l u gLo .sarar$en$eop& senrrid @s.

Calculate the longest wavelength dT at can be analysed by a rocksalt crystal oI sPacingd =2.82 A in the first order.

43. e6rfldl6i,r66u6iJr areinpnei ereinar? gaflr-6leinoaleinsorfleir 6!6D666o6rtli g$lLl$@o

wllat is a photoelectlic ce11 ? Mention the tvpes of photoeiectric cells

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44. +$lrfluri;eri e.a ger eE $a.uri a,ga.

State radioacti!-e Lau. of disintegration.

45. snLol.{i a$riseir (1 - e$i,aelr) rainqsaflcn eraoouGuglLir getr$)eoetr orqg5a.

Write any three properties of f - rays (gamrna ra)'s).

46. elareuugu$S)Bsnen rirGJsareeir (Barkhausen Cliteda) pu$paronoarar6 e'gs'Give the Rarthausen cdteria for oscillations.

47. 6151ft uLq6itrglTLr$pno! oflarorqLb pfuueinaeh u.lneoer ?

What ale the advantages of negative feedback ?

[ $11g,rqe / Turn over



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gfinq: (i)

(n)

(in)

Note : (i)

(ii)

(in)

d.lrlj 6ir bt6l6rfluJ(b) sraare.

-

erarer Gu gt rb 19ei;rfleoar

7x5=35

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48. 65n0!i6ulLf

V1

Iind the output of the given circuit.

5K

V1

Y2

50.

49. Cle6nf (Zener) gflelpaoeu 6r6ijrDr6b 6r6iJr6-ir ?\^ahat is zener breakdown ?

6eu$aoo&Genoh psaud GlprLilq6iJr painaroserfl dro(95J5.Wdle any thlee merits oI satelliie connnunicatior-L

ug$ - ru7 r,.rnT - rrr

oilonn erair 60-dO 6di[rquu[6 erltarruofl Soeq Lb.

dpgr6ir6r 11 odlonirdsafl el 61606lGurgl6 S;E; a6orrrrioqgrigaQ ao ru orfl rio eq Li .

Gpeoarur@Li @uieorfl ab lrr,ioeir orarqs.Ar-rwer question nurnber 60 compulsorily.Answer arry six of the remaining 11 questions.Draw diagrams wherever necessary.

51. &ir6ir dl6i,rLl6D5$d olerriouur@eiran r-6loin @O @6o6brugein dgL Gaudr@rir$lqguq o0eoerionan Gsnaooleoul Glrgs.Derive an expression lor Lhe tolque acting on the electric dipole when placecl in auniform elechic field_



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52. Ldeinemqg$pmnedlu5leir p$grar$eop ur$5lroin ogen6go.

Explain the p nciple of a potentiorreter with a neat diagram.

53 @G!Ll gBeoeGeuerb 6r6iJrpr6l^,6r6i,T"-n? dloiiiGar n rr $$pqgLb, $qgrq $leo+Geuag$pglb @er Gr-qc-e Gqn. .6r.1, 6 . D o.

What is drift velocity ? Dedve the ielation between drilt velocity and currenl

54. g(D 6n6ior6brirL8rrrfleir rjl6i,rp6oL 40 O. @)g 2 mA u5)eirGerrnrr$p$g 6ylq9e6euoooeu&-Glon@6191ir. 6lp6D6br 0 n$66g ZO V --Tuglarnem r6einenqg$p$$arengl6rrigb Gerrn6iL Lftryno c-relerngl Lon$paunb ?

A galvanometer has a resistance oI40 O. It sholls full scale deflection for a cuuent of2 m-4. How witl you convert rlle galvanom"t", i"t. " ;;i;;;;I;g" o ,o zo v I

5s. gg $ainr errfl&a6ofleir peinldeir graiiruel erainadfrenam Goraoa_reouru Gllgle.Derive alt expression lor the selJ inductance of a long solenoid.

5 6. Gu rr6Drrru05orfl efi uureirso,fl 6 eraoer.:Gu gt Lir g$$eoati erqgge.

Nlenfion any five uses of polaroids.

57. eopor-lrg6rfl 6in ppo neoeu er rflao+earan orglondlgs.

(urLb Gpeoer u9 elareu )

Explain the spectral series of Hydrogen atom.

(Dagran not necessaly)

58. 6l6D{iLI-6b -r,ircaa rd$*6in u u6i &6ri)5" LLJjl 61J-.o-s6i6-rldl 6r tgg61.'i hite the uses and timitations of elechon microscope.

6028

[ $15lrqe / Turn over



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59. glsdT A6i,rdl6tr 86oD stp6i,1@dror1 $leopeouru Glnar greirig Lorrfu15 areo''16, Sseh

@unlgLb $eoeGerslb urrg ?

At what speed is a Particle moving if the mass is equal to three times its rest mass l

eo. Glpnol6lrngoflueb a'r$pen @rg$5 6)rprurL 819 619l Lb t-'1.6 gJ aidr$

66l.p$ptC 15 deopeqoaron$ .g19dldrDg eGpGuneinp q$u argubq g;inp

6.6l.pdp<C 19 6 eopeqseoen$ pOCl 6iirpgr. Lo n$ f1 u!1 ain (Sample) eu u opd+emdC $ts 1I. = 5570 qair$*c

gl6060gt

,ocaao ergtriolgerSlein rgeoeoruq g$pen Lo$p Ln 9:(E el@165@5g16reD&sr@r

Lgorarruq qglpen qduerf arpri sarr66l@e .

G s n@ rie u r r@ oironar ar ;

g19 qGTnr-r-noflaii 6arD = t.00z8zs u*o

Pgulneriaiir ,61-P =1.oo8oes ,*,,oCa4 ergrrislgor9lein 6leop =:g.96zss um,,

A piece of bone frorn an archaeological site,is found to glve a corlnt rate of 15 counts

p-"i minute. A similar samPie of flesh bone gives a count rate of 19 counts Per minute

Calculate the age oI the specimen Civen T/ = 5570 years.

OR

Calculate the bimling energ.v and binding enelgy- pel nucleon oI "oCaal

t"r1eus'

Given :

rn,l.s of I prolon - I 007825 ami,

mass of 1 neuhon=1.008665 amu

mass of ,oCa40 nucleus :39 95259 arnu

61. eO qrrr6i,r86iDurfleir dleinGarnru 6u19rio erainocir a LoSpLi p o$eoar arorTu"rg'

GLoqL.b @ror$f1!6leorGur4oheir G)pnrriaru p19or91'

Defne cu ent amplilication factors cr and B of a transistor. Obtain-the relation between

them.

62. er$lnGlerain uainGu$p GlqGun +leoeuulurQu9ein C)+u ei-' u nuo.anen

' .sL rurrds rein aglenrirgs.

Explain the lunction of a Frequency modulated radio hanslrlitter with a block diagram'

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g.dln!, (i) 6r6ooiGu.rg)6 Dn6ia(g erll6iir.iioqgrirg o8flellner o8aoruofltisalLb.(1i) Gp6oornu$)Lb @rrfusafleil Lrliir66o6n or6d)F5. 4x10=40

Note : (i) Answer any four questions in detail.(n) Draw diagram_s wherever necessary.

63. O6ir6idry;gL0 udleinGp ri; dlug cn [email protected] r-61ainonLrqu G)unlgcirrehanGun51 o1$r@Lb,6eirGpsg$ $pgrienen Goraoerorurl G)ugo.uieirGpr!61u9 er u u_r eir r ir@s eoon erqggls.Det'ile an e\lressjon {or tlte capacitance oI a parallel plate capacitor with a dielectdcnrp,lru,n )-erv.een the plat... h rite Lhe applicition. oi.upo,irlrrr.

' '

64. L6l5i'rc-6nril6 rrqri Sq G,oTnon $ainu Seoarr&e r$psqyrig S)eouGu.rqpL:@Lb erlleo +rio n6.r G6lrar1616DUjLr Glrgs. Go91Lb qg,.irg-ul eo[ 1unrp".";ar6D [[rg.Obtain an expr-ession fol' the force betrveen two long parallel cur.rent carrying conductorsand also deihe 'arr.pere,.

65. rpr.nlr$l6Ds r,6leir efi u.l ri g o!ens q9:eu Lir goi,rE 6lpnuri @eoe&rLrLge! ueh6r,-,l einpeo ru n66 (R), 1-6) eirg1ianrr,r (L), Lodrpr Lb dl 6iJTGpe6 lcl gd u or 6E uefag6o6in.is lr Lr f O6ir6rg,l. G er-l d; i i -erl qr,.rb obE Lb ril einclen6l +i q eu eil qr.,tq,6 ur ar,-paopri Genairi@

(il Clp;ir(grur6ir LnleiromgiipLb

(i) r-0 oir6 en$ frL.l 11

I,in) dl6inG6lrrLL6 LopELb deinanqg$p6 @eorGuunan orr$ Glanrirq.g9dlu.lerpgrionen eLoainur@oeom oalgo9l.

lrource,oi altematrig emJ is connected to a series combination of a resistor R, anmou(or L and a caFacjtor C. Obtain with tl_le help of vector diaglam and impedancediagram, tun expression {or :

(i) The effecti.re voltage

(ii) The impedance

(iii) fhe phase relationship beha,een the cu ent and the voltage

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66. 6[rrD6ijr eeifl ]6lpp6o6D q]lbp6l LDLLLI LrLSgl L6i,T 6n6nri(95.

Explain the Raman scatte ng of light with the help oI energy leve1 diagram'

67. 6r6D&Lrrr6rfl6it r-0eingnr- 6l-p.gp"nq 5r@16 J.J. pnlbaein G+rporararu o61eurfl '

Describe ].J. Thomson s exPedment fcl the detcrminaiion o{ specfic charge of an elechon'

6s. srgtris(g reooo ereinrSl u-jn5l ? 9@12i6(E p eoauulloir:

r,1 panfl .u'.ir (\lodcrdlor)

(ii) sLOLlr.roii5lLi) pai,n@ocir (Ccntrol rods)

(in) $1

grgneir er$G) Tnai u I neinooh (Neutron Refl ectors) g8 uer$flatt

Gleueiu nreor orSlorrigs. e gl6sg uaroulJ oiir L-l ur6iT 56il6ir gfl u r-!1 @e'

(urib Gpeoeuu0alareu)

\ rhat is a nucleaL leactor ? Explain the functions of:

(i) Moderator

(ii) Conhol rods and

(iii) Neutronreflectors.

Mention the uses of nuclcar reacto! (DiaBram not necessary)'

69, Glpoflorner ur.SglL6iir eLo6i,T &Eg slar6Dp.6o.5.4 Gridge RectiJier)^Cl6urclu@peneo

ado,rfl. elo6i,r e$gr eraio$$19$$Lr9leir zdi#@ oppLb 6leraflu9$t 6o&6osi56o6ir

er@r$6.

With a neat diagram, exPlain the working oI a Bridge Rectifier' Draw its input and

output sifFals.

70. gt6d)6D6,96eLr uaincu!p$$6iJi u15ulrljlala er$ riGlor ain $lpLoneoa'qr eit

o,9 ar&gs.

Explain the analysis of amPlitude modulated wave widl frequency sPectrum'

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No. of T J · PDF file12.06.2016 · PART.III Stu.:f rflu..rar / PHYSICS / Ta[ril & English Versions).LU T J / J 6028 [ 6Lon$p Lo$uGuainsoir : 150 [Maximum N{arks : 150 30x1=30