REGISTER NUMBER :

SREE SARASWATHI THYAGARAJA COLLEGE [Autonomous, Re-Accredited with A Grade]

THIPPAMPATTI, POLLACHI – 642 107 UG-MSET EXAMINATIONS - 2019

Time : 2 Hours Max. Marks: 100

General English 20 x 1 = 20

.Choose the synonym of the underlined word

I had been rudely awakened several times.

a)slept b)roused c)bored d) disturbed

2.Choose the antonym of the underlined word

It shall be found that much is omitted.

a) added b)removed c)excluded d)avoided

3.Choose the clipped word for „suitcase‟

a) suit b)case c)suite d)suits

4. Identify the sentence pattern

India won the match.

a)SVC b) SVO c)SVA d)ASV

5.Choose the right meaning of the word „theophobia‟.

a) fear of food b) fear of dreams c) fear of God d) fear of home

6.Choose the correct combination for the compound word „birth place‟

a) noun+verb b)noun+adjective c) noun+noun d)noun +adverb

7.Choose the tetra-syllabic word.

a)geographical b)organization c)fantastic d)comprehensive

8.Replace the underlined word with appropriate phrasal verb

The manager promised to consider my request for my promotion.

a)look for b)look into c)look through d)look after

9.Choose the correct plural form of „syllabus‟

a)syllaba b)syllabae c)syllabi d)syllaba

10.Give the meaning of the word „genocide‟

a)killing a man b)killing a woman c)killing a race d)killing a villain

11.Choose the correct expansion of the abbreviation ECG.

a)Engineering Civil Group b) Electric Cardio Graph

c)Electro Cardio Graph d)Electric Cardio Gram

12.Choose the correct answer.

Balaji is junior_______ me

a)to b)than c)with d)by

13. Combine the following sentences with suitable pronoun.

They were a set of four brothers. They were known for their toughness.

a)They were a set of four brothers who were known for their toughness.

b)They were a set of four brothers whom were known for their toughness.

c)They were a set of four brothers whose were known for their toughness.

d)They were a set of four brothers which were known for their toughness

.

14. Choose the correct reported speech of the following sentences from the options given below.

Vinodh told, “ I studied the lessons yesterday”

a)Vinodh told that he had studied all the lessons the previous day.

b)Vinodh told he had studied all the lessons the previous day.

c)Vinodh told that he studied all the lessons the previous day.

d)Vinodh told that he had study all the lessons the previous day.

15. Form a new word by adding a suitable suffix to the root word „judge‟

a)______ ness b)_______ ment c)_____ less d)______ ism

16. Fill up the blanks with correct semi- modal verb.

How ________ you oppose me?

a)dare b) need c)ought to d)used to

17. Fill up the blanks with correct modal verb.

I_____ let you know in future

a)can b)would c)should d)must

18. Fill up the blanks with correct tense of the verb.

They rarely________(miss) this class.

a)miss b) missed c)will miss d)could miss

19.If you plan well you will come up.( Change into simple)

a)In case of planning well you will succeed b)In case you plan well you will succeed.

c)Because of planning well you will succeed d)In spite of planning well you will succeed

20. Fill in the blank with suitable question tag.

They rarely miss this test.____?

a)do they? b)don‟t they? c)aren‟t they? d)isn‟t they?

General knowledge 20 x 1 = 20

21)Normal blood pressure of a man is

a)80/120 mm Hg b) 90/140 mm Hg c) 20/160 mm Hg d) 85/150 mm Hg

ஒமநிதின்சாதாபணஇபத்தஅழுத்தத்தின்அவு

a) 80/120 mm Hg b) 90/140 mm Hg c) 20/160 mm Hg d) 85/150 mm Hg

22) Pituitary gland is located at the base of

a)Kidney b) Liver c) Brain d) Pancreas

ிட்மட்டரிசுபப்ிகீழ்காணும்எதன்அடிப்குதினில்அமநந்துள்து ?

a)சிறுீபகம் b) கல்லீபல் c) மூம d) கமணனம்

23) „Panchalinga falls‟ lies in the district

a)Madurai b) Tiruppur c) Coimbatore d) Naga pattinam

‘gQ;rypq;fk; mUtp’ cs;s khtl;lk; vJ? a)kJiu b) jpUg;g+h; c) Nfhit d) ehif

24) Citrus fruits are rich sources of

a)Vitamin A b) Potassium c) Iron d) Vitamin C

கீழ்காணும் எவ்யமகசத்து எYநிச்சம்மங்கின்மூம்கிமடக்கிது

a)யிட்டநின் A b) பாட்டாசிமம் c) இமம்பு d) யிட்டநின் C

25 ) The closest planet to the Sun is

a)Saturn b) Venus c) Jupiter d) Mercury

சூரினனுடன்நிகபமக்கநாகிபகம்

a)சி b) பயள்ி c) யினாமன் d) புதன்

26) In which basin in Narimanam oil field located ?

a)Krishna b) Godavari c) Periyar d) Cauvery

ரிநத்தில்உள்ள்எண்பணய்யனல்எந்ததிக்கமபனில்அமநந்துள்து?

a)கிமஷ்ா b) ககாதாயரி c) பரினார் d) காகயரி

27) The earliest evidence of man in India is found in

a)Shiwalik hills b) Narmada Valley c) Nilgiris d) Nallamala hills

இந்தினாயில்நிதின்முந்தனஆதாபம்எங்குகாணப்டுகிது?

a)ரியாிக்நமகள் b) ர்நதா ள்த்தாக்கு c) ீகிரி d) ல்நாநமகள் 28)The first metal to be discovered and used for making tools was

a)Iron b) Copper c) Bronze d) Tin

கமயிகமக்கண்டுிடிப்தற்கான்முதல்உகாகம்எது?

a)இமம்பு b) பசம்பு c) பயண்கம் d) தகபம்

29) Which Sikh Guru was executed by Aurangzeb?

a)Guru Arjun Dev b) Guru Ramdas c)Guru Tegh Bahadur d) Guru Gobind Singh

எந்த சகீ்கினகும அவுபங்கசபீ் ால் தூக்கிிடப்ட்டார்?

a)குமஅர்சுன்கதவ் b) குமபநதாஸ்

c) குமகதக்கதூர் d) குமககாிந்துசிங்

30)Where is Gayatri Mantra mentioned first of all ?

a)Rig veda b) Atharvaveda c) Upanishads d) Puranas

கானத்திரிநந்திபம்முதன்முதில்எயற்ில்குிப்ிடட்டுள்து?

a)ரிக்கயதா b) அதர்யகயதா c) உிட்தங்கள் d) புபாணங்கள்

31) In India the last census was undertaken in

a)1991 b)2000 c) 2011 d) 2001

இந்தினாயில் இறுதினாக மநற்ககாள்ட்ட நக்கள்கதாகக கணக்ககடுப்பு

a)1991 b)2000 c) 2011 d) 2001

32) Who laid foundation of the British Empire?

a) Robert Clive b) Lord Napier c) Lord Ribbon d) Lord Cornwalis

னாபால் ிரிட்டிஷ் சாம்பாஜ்னத்திற்கு இந்தினாயில் அடிக்கல் ாட்டப்ட்டது? a) பார்ட் கிகவ் b) மப்ினர் ிபபு c) ரிப்ன் ிபபு d) காபன் யாிஷ் ிபபு 33) Which is the name of Tamilnadu state Bird

a) Peacock b)Emerald Dove c) Parrot d)Cukoo

தநிழ்ாட்டின் நாி கய எது? a) நனில் b)நபகதப்புா c) கிி d) குனில் 34) In which hill the Killiyur Water-fall located

a) Shervaroy Mountain b) Niligris Mountain

c) Kodaikanal Mountain d) Agathiar Mountain

எந்த குன்ில் கிள்ியூர் ீர்யழீ்ச்சி அகநந்துள்து

a) மசர்யபானன் நக b)ீகிரி நக

c) ககாகடக்கால்நக d) அகத்தினர் நக

35) One Byte consists of

a) 2 bits b) 4 bits c) 6 Bits d) 8 Bits

ஒரு கட் என்து

a) 2 ிட்ஸ் b) 4 ிட்ஸ் c) 6 ிட்ஸ் d) 8 ிட்ஸ்

36) Tubor culosis immunization was developed by

a) Albert Calmette b) Paul Ehrlich c) Robert Roch d) Louis Pasteur

காசமாய்க்குத் தடுப்பு நருந்திகக் கண்டுிடுத்தயர்

a) ஆல்ர்ட் கல்கநட்டி b) ால் எர்ிஷ்

c ) பார்ட் மபாஷ் d) லூனிஸ் ாஸ்டர்

37) Which Planet is known as the „God of War‟

a) Mercury b) Venus c) Mars d) Jupiter

மார்க்கடவுள் எ அகமக்கப்டும் மகாள் எது?

a) புதன் b) கயள்ி c) கசவ்யாய் d) யினாமன்

38) Which among the following is not present in Tamilnadu

a) Anaimalai b) Point Calimar c) Mundanthurai d) Periyar

இயற்றுள் எந்த சபணானம் தநிழ்ாட்டில் இல்க

a)ஆகநக b) ானின்ட் கார்ர் c)பண்டந்துக d) கரினார்

39) Who is the founder of the newspaper „Voice of India‟

a) Dadabhai Navoroji b) Sisir Kumar Gosh c) G.Varma d) Bharathiar

இந்தினாயில் குபல் என் த்திரிக்ககனின் ஆசிரினர் னார்?

a)தாதாாய் கௌமபாஜி b) சிசிர் குநார் மகாஷ்

c)G.யர்நா d) ாபதினார்

40) In which Indian National Congress session Mahatma Gandhi was made its President

a) Nagpur b) Gaya c) Belgaum d) Kanpur

எந்த மதசின காங்கிபஸ் நாாட்டில் நகாத்நா காந்தி அதன் தகயர் ஆக்கப்ட்டார்

a) ாக்பூர் b) கனா c) கல்காம் d) கான்பூர்

CHEMISTRY 20 X 1 = 20

41.Spitting of silver can be prevented by covering the molten metal with

a) Sodium carbonate b) Charcoal c) Calcium chloride d) Calamine

rpy;th; ckpo;jiy jLf;f cUfpa rpy;thpd; kPJ vg;glyj;ij Vw;gLj;jyhk;?

m) Nghuhf;]; M) fhp ,) kzy; <) rpy;th; GNuhikL

42. Which one of the following is a state function

a) q b) Δq c) w d) ΔS

gpd; tUtdtw;Ws; vJepiyr;rhh;G?

a) q b) Δq c) w d) ΔS

Curd is a colloidal solution of

a) Liquid in Liquid b) Solid and Liquid

c) Liquid and Solid d) Solid and Solid

43. japh;$o;ikf; fiurypy; cs;sit a)) ePh;kj;jpy; cs;sePh;kk; M) jpz;kj;jpy; cs;sePh;kk;

,) ePh;kj;jpy; cs;sjpz;kk; <)jpz;kj;jpy; cs;sjpz;kk;

44)The amount of heat exchanged with the surrounding at constant temperature and

pressure is called

a) ΔE b) ΔH c) ΔS d) ΔG 44. khwhjntg;gepiykw;Wk; mOj;jj;jpy; #oYld; ghpkhwpf;nfhs;sg;gLk; ntg;gj;jpd; msT m) ΔE M) ΔH ,) ΔS <) ΔG

a) ΔE b) ΔH c) ΔS d) ΔG

45. Lanthanides are extracted from

a) Limonite b) Monazite c) Magnetite d) Cassiterite yhe;jidLfs; ------------------- ypUe;Jgphpj;njLf;fg;gLfpd;wd. m) ypNkhidl; M) Nkhdirl; ,) khf;dill;<) fhspl;liul;

46. The bond order of oxygen molecule is

a) 2.5 b) 1 c)3 d) 2

Mf;]p[d; %yf;$wpd; gpizg;Gj;juk; a) 2.5 b) 1 c)3 d) 2

47. Ionic hydrides are formed by

a) halogens b) chalogens c) inert gases d) group one elements

madpi`l;iuLfs; cUthtjw;Ffhuzkhdit m) N`y[d;fs; M) rhy;Nfhn[d;fs;

,)ke;jthAf;fs; <) njhFjp - 1- jdpkq;fs;

48. The intensive property among the quantities below is

a) mass b) volume c) enthalpy d) mass/volume

.gpd;tUk;mstPfspy; nghUz;ikrhuhgz;G m) epiw M) fdmsT, )vd;jhy;gp<) epiw/fdmsT

49. Chlorophyll is a _____ complex

a) Magnesium – Porphyrin b) Iron – Porphyrin

c) Copper – Porphyrin d) Nickel – Porphyrin 49. FNshNuhgpy; vd;gJ - Nrh;kk; m) nkf;dPrpak; -Nghh;ighpd; M) ,Uk;G - Nghh;ighpd;

,) fhg;gh; -Nghh;ighpd; <) epf;fy; - Nghh;ighpd;

50. Bhopal Gas Tragedy is a case of _____________

a) thermal pollution b)air pollution

c) nuclear pollution d) land pollution Nghghy;thAj;Jauk; vd;gJ - ,jd; tpisthFk;. m) ntg;gkhRghL M) fhw;WkhRghL ,); fjph;tPr;RkhRghL<) epykhRghL

51. The colour of Purple of cassius is

a) Purple b) Blue c) Bluish green d) Apple green

Nfrpa]; Cjhtpd; epwk; m. fUCjh M. ePyk; ,. ePyk; fye;jgr;ir<. Mg;gps; gr;ir

52. The isomer of ethanol is

a) acetaldehyde b) dimethylether c) acetone d) methyl carbinol <j;jdhypd; khw;wikg;G

m. mrpl;lhby;bi`L M. ilnkj;jpy; <jh;

,. mrpl;Nlhd; <. nkj;jpy; fhh;gpdhy;

53. In a given shell the order of screening effect is

a) s> p > d > f b) s > p > f > d c) f > d > p > s d) f > p > s > d $Lfspd; jpiukiwj;jy; tpistpd; rhpahdthpir

m. s > p > d > f M. s > p > f > d ,. f > d > p > s<.f > p > s > d

54. Noble gases have _____ electron affinity

a) high b) Low c) zero d) very high cahpathAf;fs;----- vyf;l;uhd; ehl;lj;ijngw;Ws;sd

m. mjpfk; M. FiwT ,. G+[;[pak; <. kpff;FiwT

55. Which one of the following ethers is used in perfumery?

a)diethylether b) dimethylether

c)methylphenyl ether d) diphenyl ether thridg;nghUl;fs; jahhpf;fgad;gLk; <jh; m. ilvjpy; <jh; M. ilnkj;jpy;

,.kPijapy;gpidapy; <jh;<. ilgpidapy; <jh;

56. Which of the following molecule contain no л bond?

a) SO2 b) NO2 c) CO2 d) H2O

gpd;tUtdtw;Ws; лgpizg;ignfhz;buhj %yf;$W vJ?

m. SO2 M.NO2 ,.CO2<.H2O

57. Which of the following compounds will not undergo Friedal – crafts reaction easily ?

a) Nitro benzene b) Toluene c) Cumene d) Xylene gpd;tUtdtw;Ws; vspjhf /gphPly;- fpuhg;l; tpidapy; <LglhjNrh;kk;

vJ?

m. iel;Nuhngd;rPd; M. nlhYtPd; ,. fpA+kPd; <. iryPd;

58.The purity of an organic compound is determined by

a) Chromatography b) Crystallisation c) melting or boiling point

d) both (a) and (c) fhpkr;Nrh;kj;jpd; J}a;ikiaeph;zapf;fg; gad;gLk; Kiw

m. tz;zg;gphpifM. gbfkhf;fy;

,. cUFepiy(my;yJ) nfhjpepiy <. m kw;Wk; ,

59. The metal used in galvanising iron sheets is

a) Chromium b) zinc c) copper d) Silver ,Uk;Gj;jfLfisfhy;tpid]; nra;agad;gLk; cNyhfk; m. FNuhkpak; M. ,q;f; ,. fhg;gh; <. rpy;th;

60. The general formula for cyclo alkanes

a) CnHn b) CnH2n c) CnH2n–2 d) CnH2n+2

irf;NsMy;Nfdpd;fspd; nghJtha;ghL

m. CnHn M.CnH2n ,.CnH2n–2 <.CnH2n+2

PHYSICS 20 x 1 = 20

61. The electrons in the atom of an element which determine its

chemical and electrical properties are called

(a) valence electrons (b) revolving electrons

(c) excess electrons (d) active electrons

xU jdpkj;jpd; Ntjpkw;Wk; kpdgz;GfSf;Ff; fhuzkhdmj;jdpkj;jpd; mZtpYs;svnyf;l;uhd;fs; vit?

m) ,izjpwd; vnyf;l;uhd;fs; M)RoYk;vnyf;l;uhd;fs; ,)mjpfg;gbahdvnyf;l;uhd;fs; <) nray;jpwd; vnyf;l;uhd;fs;

62. X−ray is

(a) phenomenon of conversion of kinetic energy into radiation.

(b) conversion of momentum

(c) conversion of energy into mass

(d) principle of conservation of charge

X−fjph; vd;gJ

m) ,af;fMw;wiyfjph;tPryhfkhw;Wk; epfo;r;rp M) ce;jk; khw;wg;gLjy;

,) Mw;wy; epiwahfkhw;wkiljy; <) kpd;D}l;lmoptpd;ikj; jj;Jtk;

63. The cathode rays are

(a) a stream of electrons (b) a stream of positive ions

(c) a stream of uncharged particles (d) the same as canal rays

Nfj;NjhLf; fjph;fs; vd;gd

m) vnyf;l;uhd; fw;iw M) Neh;kpd; madpfw;iw ,) kpd;D}l;lkw;wJfs; fw;iw

<) Giof;fjph;fisg; Nghd;wit.

64. The chromium ions doped in the ruby rod

(a) absorbs red light (b) absorbs green light

(c) absorbs blue light (d) emits green light

&gpjz;by; cs;sFNuhkpamadpfs;

m) rptg;Gxspiacl;ftUk; M) gr;irxspiacl;ftUk; ,) ePyxspiacl;ftUk;;

<) gr;irxspiackpOk;

65. The photoelectric effect can be explained on the basis of

(a) corpuscular theory of light

(b) wave theory of light

(c) electromagnetic theory of light

(d) quantum theory of light

xspkpd; tpisitvjd; mbg;gilapy; tpsf;fKbAk;?

m) xspapd; Ez;Jfs; nfhs;ifM.xspapd; miyf;nfhs;if

,) xspapd; kpd;fhe;jf; nfhs;if<) xspapd; Fthz;lk; nfhs;if

66. The nucleons in a nucleus are attracted by

(a) gravitational force (b) electrostatic force

(c) nuclear force (d) magnetic force

mZf;fUtpDs; cs;smZf;fUj;Jfs;fs; vjdhy; ftug;gLfpd;wd.

m) <h;g;gpay; tpir M) epiykpd;dpay; tpir

,) mZf;fUtpir<) fhe;jtpay; tpir

67. Improper biasing of a transistor circuit produces

(a) heavy loading of emitter current

(b) distortion in the output signal

(c) excessive heat at collector terminal

(d) faulty location of load line

buhd;rp];lUf;FchpaKiwapy; rhh;Gkpd;dOj;jk; nfhLf;fg;glhjepiyapy;

m) ckpo;g;ghdpy; mjpfkpd;Ndhl;lk; Vw;gLfpwJ

M) ntspaPLirifapy; cUf;FiyTVw;gLfpwJ

,) Vw;ghd; Kid mjpfntg;gkilfpwJ

<) ntspaPl;Lf;NfhLjtwhdepiyapy; mikfpwJ

68. In a Colpitt‟s oscillator circuit

(a) capacitive feedback is used

(b) tapped coil is used

(c) no tuned LC circuit is used

(d) no capacitor is used

fhy;gpl;miyapaw;wpr; Rw;wpy;

m) kpd;Njf;fpgpd;D}l;lk; gad;gLfpwJM) Kid ngw;w RUs; gad;gLj;jg;gLfpwJ

,) ,irAWLCRw;Wgad;gLj;jg;gLfpwJ<) kpd;Njf;fpgad;gLj;jg;gltpy;iy.

69.High frequency waves follow

(a) the ground wave propagation(b) the line of sight direction(c) ionospheric propagation

(d) the curvature of the earth

69. cah; mjph;ntz; miyfs; gpd;gw;WtJ

m) jiumiygutiy M) ghh;itNfhl;bd; jpiria ,) madpkz;lyg; gutiy

<) Gtpapd; tisit

70. hollow metal ball carrying an electric charge produces no electric

field at points

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

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

70.kpd;D}l;lk; ngw;Ws;scs;sPlw;wcNyhfg; ge;Jxd;WRopkpd;Gyj;ijvg;Gs;spfspy; Njhw;Wtpf;fpwJ?

m) Nfhyj;jpw;FntspNA M) mjd; gug;gpd; Nky; ,) Nfhyj;jpd; cl;Gwk;

<) ,Uklq;FnjhiyTf;Fmg;ghy;

71. If the length of a copper wire has a certain resistance R, then on

doubling the length its specific resistance

(a) will be doubled (b) will become 1/4th

(c) will become 4 times (d) will remain the same.

Fwpg;gpl;lePsk; nfhz;ljhkpuf; fk;gpapd; kpd;jilR,mjd;ePsk; ,Uklq;fhf;fg;gLk; NghJmjd; kpd;jilvz;

m) ,Uklq;fFk; M) ehd;fpy; xUgq;fhFk; ,)ehd;Fklq;fhFk; <) khWglhJ.

72. According to Faraday‟s law of electrolysis, when a current is

passed, the mass of ions deposited at the cathode is independent

of

(a) current (b) charge (c) time (d) resistance

. /ghuNlapd; kpd;dhw;gFj;jy; tpjpg;gbkpd;gFjputj;jpd; topNakpd;Ndhl;lk; nry;Yk;NghJvjph; kpd;thapy; gbAk; madpfspd; epiwvijr; rhh;e;jJmy;y?

m) kpd;Ndhl;lk; M) kpd;D}l;lk; ,) fhyk; <) kpd;jil

73. Joule‟s law of heating is

(a) H =(I2/

R)t (b) H = V2Rt(c) H = VIt(d) H = IR

2t

. [Pypad; ntg;gtpjp

m) H =(I2/

R)tM) H = V2Rt

,) H = VIt<) H = IR2t

74. An ideal voltmeter has

(a) zero resistance(b) finite resistance less than G but greater than Zero(c) resistance greater than

G but less than infinity(d) infinite resistance rpwe;j Nthy;l; kPl;lhpd; gz;G m) Ropkpd;jil M)Ropkjpg;gpw;Fk; Gf;Fk; ,ilNaFwpg;gpl;lkpd;jil ,) GtplmjpfkhfMdhy; <wpyhkjpg;gpidtplFiwe;jkpd;jil <) <wpyhkpd;jil 75. Electromagnetic induction is not used in

(a) transformer (b) room heater(c) AC generator (d) choke coil kpd;fhe;jj;J}z;ly; gad;gLj;jg;glhjJ m)kpd;khw;wp M)miw #Nlw;wp ,)ACkpd;dpaw;wp <)milg;Gr; RUs; 76. The self−inductance of a straight conductor is

(a) zero (b) infinity(c) very large (d) very small Neh;f;flj;jpapd; jd;kpd; J}z;ly; vz; m)Rop M) Kbtpyp ,) kpfmjpfk; <)kpfTk; rpwpaJ. 77. Which of the following devices does not allow d.c. to pass through?

(a) resistor (b) capacitor(c) inductor (d) all the above

.Neh;jpir kpd;Ndhl;lj;ijjd;topNaghzmDkjpf;fhjfUtpvJ? m) kpd;jil M)kpd;Njf;fp ,) kpd;J}z;b<) Nkw;fz;lmidj;Jk; 78. Electromagnetic waves are (a) transverse(b) longitudinal(c) may be longitudinal or transverse (d) neither longitudinal nor transverse

kpd;fhe;j miyfs; m)FWf;fiyfs; MFk; M) nel;liyfs; MFk; ,) FWf;fiyfshfNthmy;yJnel;liyfshfNth ,Uf;fyhk;. <) FWf;fiyfSk; my;ynel;liyfSk; my;y.

79. If the wavelength of the light is reduced to one fourth, then the

amount of scattering is

(a) increased by 16 times (b) decreased by 16 times(c) increased by 256 times (d) decreased by

256 times xU xspapd; miyePsk; ehd;Fklq;fhff; Fiwe;jhy; mjd; rpjwy; msT m) 16 klq;Fmjpfhpf;Fk;M) 16 klq;FFiwAk; ,) 256 klq;Fmjpfhpf;Fk; <) 256 klq;FFiwAk; 80. The electric field outside the plates of two oppositely charged plane

sheets of charge density σ is

(a)+ σ/2εo (b) -σ/2εo(c) σ/εo(d) zero

80.kpd;D}l;l mlh;j;jp σ nfhz;l ,U vjpnujph; kpd;D}l;lk; ngw;w cNyhfj; jfLfSf;F ntspNa cs;s Gs;spapy; kpd;Gyk; m)+ σ/2εo M) -σ/2εo,) σ/εo<) RopahFk;

Mathematics 20 x 1 = 20 marks

81.If A is 3x3 matrix such that ,4A then what is A(adj A) equal to

a)

100

010

001

b)

400

040

004

c)

1600

0160

0016

d) cannot be determined

Aஎன்து3x3அணி, 4A எில் A(adj A) நதிப்பு ___________

a)

100

010

001

b)

400

040

004

c)

1600

0160

0016

d) யரபனருக்க இனாது

82.

dxxx

x2

0 cossin

sin

a) 4

b)

6

c)

2

d)

8

dxxx

x

2

0 cossin

sin

இன்நதிப்பு _____________

a) 4

b)

6

c)

2

d)

8

83.

xdxx sin2

a) b) 4

c)

2

d) 0

xdxx sin2 இன்நதிப்பு _____________

a) b) 4

c)

2

d) 0

84.

ax

ax

dx

d

1tan 1

a) 21

1

a b)

21

1

x c)

21 x

a

d)

21 a

x

ax

ax

dx

d

1tan 1 இன்நதிப்பு _____________

a)21

1

a b)

21

1

x c)

21 x

a

d)

21 a

x

85.Point of intersection of the line 2

2

3

3

1

1

zyx and the plane 3x+4y-5z=10 is

a) (-2,6,-4) b) (2,-6,-4) c) (2,6,-4) d) (2,6,4)

2

2

3

3

1

1

zyx

என் ககாடும் 3𝑥 + 4𝑦 − 5𝑧 = 10 என் தம்

வயட்டுk;புள்ி _____________ a) (-2,6,-4) b) (2,-6,-4) c) (2,6,-4) d) (2,6,4)

86.What is the slope of x axis ?

a) 0 b) 1 c) d) undefined

x அச்சின் சாய்வு ____________

a) 0 b) 1 c) d) யரபனருக்க இனாது

87.The eccentricity of 198

22

yx

a) 3

1 b)

3

1 c)

3

17 d)

3

17

1

98

22

yx இன் ரநனத் வதாரதகவு ___________

a)3

1 b)

3

1 c)

3

17 d)

3

17

88. In a Binomial distribution mean = 4 variance =3 then probability of success is

a) 4

1 b)

4

3 c)

3

4 d)

3

2

ஓரு ஈருறுப்புப் பயின் சபாசரி= 4, பயற்டி=3 எில் , வயற்ிக்கா

ிகழ்தகவு __________ a)

4

1 b)

4

3 c)

3

4 d)

3

2

89.If is the angle between the vectors kji 72 and kji 5 then cos =

a)27

14 b)

27

27 c)

227

7 d)

54

14

kji 72 நற்றும் kji 5 , இரு வயக்டர்களுக்கு இரடப்ட்ட ககாணம் எில்

cos =

a)27

14 b)

27

27 c)

227

7 d)

54

14

90.Sum of the roots (1)

1/3

a) 2 b) 3 c) 0 d) 1

(1)1/3

%yq;கின் $Ljy; _____________

a) 2 b) 3 c) 0 d) 1

91..The degree of 2

2

2

2

3 xdx

dy

dx

yd

is

a) 1 b) 2 c) 3 d) 4

2

2

2

2

3 xdx

dy

dx

yd

ன் டி __________

a) 1 b) 2 c) 3 d) 4

92A is set of divisors of 15 and B is the set of prime numbers less than 10. C is the set of even

numbers smaller than 9 then CBA

a) { 1,3,5 } b) {1,2,3} c) {2,3,5} d) {2}

Aஎன்து 15இன் யகுத்திகின் கணம், Bஎன்து 10க்கு குரயாக உள் கா எண்கின் கணம் ,C என்து 9 க்கு குரயாக உள் இபட்ரட எண்கின் கணம் எில் CBA

a) { 1,3,5 } b) {1,2,3} c) {2,3,5} d) {2}

93.How many even prime numbers are there

a) 2 b) 20 c) 1 d) none of these

இபட்ரட கா எண்கின் எண்ணிக்ரக___________

a) 2 b) 20 c) 1 d) எதுவும் இல்ர

94.Projection of kjia on kjib is

a) 3 b) 3

1 c)

3

2 d)

2

3

kjia , kjib எில் இன் நீது இன் யமீல் _________

a) 3 b) 3

1 c)

3

2 d)

2

3

95.General solution of ydx

dy is

a) xaey b) axey c) xey d) axey

y

dx

dy இன் வாது தீர்வு ____________

a) xaey b) axey c) xey d) axey

96.Integration factor of xexy

dx

dy tan is

a) Sec x b) Sin x c) Cosec x d) sec 2 x

xexydx

dy tan இன் வதாரகனிடல் காபணி

a) Sec x b) Sin x c) Cosec x d) sec 2 x

97.If A and B are mutually exclusive events, then

a) BA b) BA c) UBA d) UBA

Aயும் Bயும் ஒன்ரவனான்று யிக்கும் ிகழ்ச்சிகள் எில்

a) BA b) BA c) UBA d) UBA

98 )180(Cos

a)1 b)-1 c)0 d) 1/ 2

)180( Cos இன்நதிப்பு _____________

a b

a)1 b)-1 c)0 d) 1/ 2

99. 1

1x 1 xlim

2

x

a) -2 b) 2 c) 1 d) 0

1

1x 1 xlim

2

x இன்நதிப்பு _____________

a) -2 b) 2 c) 1 d) 0

100. If )(Ap 0.35, )(Bp 0.73 and )( BAp 0.14 then )( BAp ______

a) 0.94 b) 0.06 c) 0.86 d) 0.14

)(Ap 0.35, )(Bp 0.73 நற்றும் )( BAp 0.14எில் )( BAp ______

a) 0.94 b) 0.06 c) 0.86 d) 0.14