Hal TIdIotNo: Vlli¥enlly of IIydonbo. ENTRANCE EXAMINATION 2011-2012 Ph. D In Earth Space ScleDceI
DoteJDay: 03.16.1011, Friday n••:1.00 -4.00 PM MarU:75
1._.for'"....ldat.:
I. All qucstioos cony oqua1l1Wts.
2. Write your Hall T'JCkot NlDDber 00 the OMR Amwf:r Sheet liven tD you. A1Jo write the Hall Ticlc<t Number in thes_providod above.
3. The qucstioo c:onsists of Objective Type qlalions of one IllIIlt 0Kh. Few eoch qUOlli... then: ... four IlISwers IDd the answm ... tD be indic:otecl with copital or aIp/labetJ viz., CIDdO.
4.
The qurstioo JIIPCI' consists oehrt IDd Put

5.
Dero 10 oeptlv•••rIdoc-Every ..rrIeo 1.33 ••rk.

6.
Answers ... tD be morked 00 the OMR sheet following the ins1nIclioos providod then: upon.

7.
HIDd over both the questioo pope< booklet IDd the OMR answer sheet II the end of the oxominatiOOID the InvigiJllor.

8.
No additional sheets will be provided. Rouah worlt con be done in the qUOllioo pope< il5elf I ._provided at the end ofthe booklet.

9.
Non-programmable calcu111ms ... allowed.



1. If the radius of the Earth were increased by a factor of3 and its mass remained the same,
then the accc:leration due to gravity on the Earth would
reduce by a factor of9
iDcreue by a factor of9
increase by a factor of3
reduce by a factor of3

2.
Whicb body is in equilibrium? a satellite moving IlOIIDd Earth in a circular a cart rolling down a fii<:tiooless incline eo apple fBIling lieely IOwan! the sur1icc ofEarth a block sliding at coostaot velocity &cross a tabletop

3.
On the surface of Borth, a spacecraft bas a mass of 2.00 • 104 kilograms. What is the

mass ofthe IJ*CCraft ala distance ofone Earlb radius above Earlb's surface? 5.00' Ill' q Ii) 4.90' q 2.00' q 1.96' Io'q

4.
Whal is the nJaIIIitude of the elecbomtic force betwem two eleclrolls oeparaled by a



dWmce of 1.00 • IG-i mete(/
2.56x 10-" N
2.30 x ur12 N
2.30 x urlO N
1.44 X

s. In a vacuum, all elClClnllDagDetic waves bave the IIlIIIIO
speed
frequency
C)pbue
wavelength

6. The diagram below nrepl:on::sents the path of an object after it was thrown. What happens to
......
the object's acceleralion as it travels fiom A to [Neglect friction.]

A


It decteases
It increases
It remain.. the same
None ofthe above

7.
Ifthe sum ofall the forces acting 00 amoviog object is zero, the object will slow down and stop change the direction of its motioo accelerate uniformly continue moving with coostant velocity

8.
As an object falls freely, the kinetic energy ofthe object A)dOCRaSeS


increases
remains the same
AU above
9. The Coriolis force IClin& 011 a hely falling body over the Earth'. equator is A)Zcro cutwards westwards ncr1hwanls
10. Vlriation ofthe occe1cration due to lII'IIvity C8l 011 the Earth with latitude is such that i. the same at oJllatitudes g increuos with Jatitude g decreases with Jatitude g decreases with Jatitude 0II1y at the equator
II. A sau:Uitc orbiting at 3600 km height would take for one complete rwolution oround the
Earth
48 hr
24 hr
36hr
12hr

12. A planet situated at 2 Aslronomical units fiom the sun will go round the sun in
8 years
B)../8 years
2 years
4 years

13.
An oJpha particle is He nucleus Ne nucleus deuterium nucleus Tritium nucleus

14.
The de roglie wavelength oflWo particles with momenta p and 2p is are in the ratio 1:2 2:1 1:4 4:1

15.
The probabilityofdecay ofa radioactive atom with a decay constant Ain an intervoJ oflime


4t is given by
A)A4t

).f4t
4t n..
O)A+4t
16.
Scale beiaJrt is di=tly proportional to temperaIIIJe(11

. invenely proportional to laIIpenture(1)
q di=tly proportional to
invenely l*opo<tiona1 to


17.
Dry odiabolic 1apse rate is given by 10°Cllan loo"CIIan q I°Cllan 0)0.1°Cllan

18.
The a1mospberic pressure is rnugbly A)2kglm' 1 kgIc:m' q2kg1c:m' 0)1 kgIm'

19.
Eanh's IOSUIar momcntwn vector is diJectcd northwards


eastwards
southwards
any din:ction dcpcn4inB on latitude

20.
Vorticity is defined'u the diversen..ofvelocity potential the curl ofvelocity polCDtiaI the curl ofvelocity the gradient of velocity potential

21.
Gcostropbic flow occurs parallel to longitudes parallel to latitudes q parallel to isobars parallel to isolbcnns


22.lfalincar regression fitted u Y-0.05+12.5" then Ibe predicted valuc ofy when is 125.00 125.50
q 120.00
125.05
23. The half-life ofrodioactive radon is 3.8 days. The time at Ibe end ofwbicb 1120"' oflbe radon
sample will iemain uudccaycd, is (given logloe9l.4343)
3.8 days
16.5 days
33 days
76 days

24.The pbue change iepea:rrted by the equation SIIblimllion condenRlion Clmelting
boiliD&
2S. Transition elc:marts bave greola' teadeDcy to form complcxes beco".. they bave vllCllllt d-orbitaI they bave two eeclrons in the outennost orbit Cl they bave voriable oxidlliOll-.. they bave lqe size

26. Ifthe poleDtial dilfermce applied to a fixed resistaDcc is doubled, the power dissipoled by
dill resis1aDcc:
mnains the same
doubles
Clbalves
quadruples

27. The Jl&I'llIIIeler always inCIeages with depth in lbe ocean is temperalUl'e salinity Cl density oxygen content
2g. Inc...... in the mean temperalUl'e ofthe earth by 2°C would cause: thelllmospheric water
vapour content to
double
B)baIve
Cl inCTOlllJO by
inCTOlllJO by 14%

29. Iflbe escape velocity ofa rocket fronI1be surfice oflbe Earth is v•• then the escape velocity of lbe same rocket Iiom the surface of a planet whose acceleration due to gravity as well as radius .... 3 times dill ofthe Earth is


Cl 9v,
3v,

30.
Compon:d to the mass 8IICI charge ofa proton an antiproton has 1he same mass 8IICI the same charge

. greater mass and 1he same charge
Cl the'same mass 8IICI the opposite charge
greater mass 811C11he opposite charge


31.
For undisturbed, horizontal ofsedimentary rocks, 1heir age increases from lop to bottom decreases from top to bottom Cl can be determined from 1heir color is the same

32.
Which ofthe geological era is the youngest in the geologic time scale? P=ambrian Mesozoic Cl Paleozoi. Cenozoic


33. A particle that is conIposec! oftwo up quari<s and one down quark iss meson proton Clnculmn posilmn
34.
Radio waves and gamma rays traveling in space have the same frequency wavelength Cl period speed

35.
The acceleration due to gravity ofthe Earth reduces by of its surface value at a height of

approximately
32 Ian
64 Ian
Cl 16 Ian
100km


36.
The force ofalll'llclion between two charges qc and -2qc located at (4lrE.X) m fiom each other is given by




Zl

zl

zl

_Zq2
(."1'0)2...2

37.
Scatterina ofligbt by electrons is described by SlIrk effect Zeeman effect Ramon effect Compton effect

38.
Harmonic oscillator eneI'llY levels..., given by A)Db" .









(Dh6
39.
Constructive interference takes place when the path difference is 2n). 2n (H1)12

40.
Lateral offset in drainage lines is commonly associated with normal faults rev","" faults thrust faults


striko-slip faults.
41.
Ductile deformation become important when the temperallUe is hign the confining pre..ure is high deformation happens slowly all above

42.
The coolest see surface temperatwes ..., found in the Indian ocean Atlontic ocean Pacific ocean Southern ocean

43.
The southwest monsoon occurs during summer winter fall


spring
44. As on air parcel ascends it warms up continuously it cools continuously it cools tint ond warm after reI.... oflatent heat by condensation ofwater vapour it warms forst and then cools by evaporation ofUquid water
4S. Logauitbm ofatmospheric pressure vlries with height exponentially liDcorly Cl qwulndically cubically
46.
Upwelling over the OCCIIIS is proportional to wind stmtgth sqUll"O ofthe wind strength Cl cube ofthe wind stlength square root ofthe wind stlength

47.
Which ofthe following is the most powerful gteeDhouse gas? Co, B)CHo ClNO

48.
Without the presence ofCo, in the eartb's atmosphere, the mean temperature ofthe eartb


would be lower Iiy
A)lS"C
IO"C
Cl30·C
IOD·C

49. Cyclones do not occur in the latitude range of IO"N-S"N Cl IO"S-S·S 20"N-1 O"N
SO. In an stnJctura1 basin, the youngest stnIla is found at the center ofthe basin on the margins ofthe basin half-way between the center and the margins ofthe basin beneath the older stnIta.
SI. Which geophysical method is prefened to locate disseminated sulphide deposits gravity magnetic ClIP seismic
52. The difference between molar specific ...... 11 constant pressure and volume is given by
A)R
B)RJ2
C)2R


53.
A continuous'vwiable: may lake 011 only integer values may take 011 only • finite Dumbor ofditraart values. may lake 011 an infinite DWDbor ofvalues. must be any IIOOJJe&IIIive Dumb<r.

54.
Relative frequeocy is • measure of skewness Probability Kurtosis Variance

55.
Negative skewness ofthe data indicates Higher values an: man> Lower values an: man> Normal distribution ofthe data Zero variance

56.
!fthe data follows Normal distribution Mean is greater than median Mode greater than median Mean greater than mode Mean, Median and Mode an: equal

57.
Dispersions oftwo or more series ofdata which an: ofditrerent scales can be companld by Variance Standard deviation Median Coefficient ofvariation

58.
In Mutually exclusive events Occunence one event is Dol influenced by the other events Occunence ofone evart excludes the <>ec:IllmIce ofthe other All events occurtogetber None ofthe above

59.
TheprobabilityofIlCCUITeDCeofHead when an unbiased coin is tossed is 0.5 1.5 1.0 0.05

60.
The probobility ofgctIing two fMs in two rollin& of. lingle dice 1/3 1/36


.
1/6
61.
Resistivity lOIUIIlioa is carried out 10 know vertical variation in resistivity horizonta1 variation in resistivity C)bolb IlOIIO oftile above

62.
For applying aravity corrections tile ohape oftile earth is considered IS ciR:lo spbcroid C)botb none oftile above

63.
Which one oftile following geophysical methods is prefenbl.1O idc:nti1Y stnIligraphic tnps


assoeialed with oil?
magnetotelluric

magnetic
C)seismic
selfpotmlial

64.
Which oflb. following rocks indicate highest pede ofmetamorphism? chlorite schist hombleod. goeiss slate aranulitc

65.
The geological tim. span ofNeogene is 65-55 m.y. 55-33 m.y. 24-1.8 m.y. 1.8-0 m.y.

66.
Th. Sun and Moon positions in quadrature resuJts in Spring tide Neap tide low tide high tide

67.
K-T boundary signifies Extinction ofdinosauraus pre""""" ofdiDosalnus Extinction ofbracbiopod Exists close 10 tile Mohorovicic discontinuity


10
Code No: X• !IO
68.
A baIlery consists ofwhich type ofcells electrolytic electrochemical electrop1ating electromagnelic

69.
The order ofvlll1derwa1ls f8dius ofF, CI, Br is A)CI>F>Br B)BPCI>F C)F>CI>Br BpF>C1


70. At which substlnce is the best cooducror ofeleclricity A)N B)Ne C)S O)Ag
71.
Atom ofhydrogeo chloride, nitrogen and oJ<Ygeo combine to form ionic bonds electrovaleot bonds covaleot bonds ClHlIdinaled boods

72.
The time interval betweeo two successive posuges of the Sun IICI'OSS the meridian of earth at

a place is defined u
lunar day
solar day
sidereal day
elliptical day


73.
A photoelectric cell cooverts electrical energy to light eocrgy light eocrgy to electrical energy light energy to sound energy light energy to heat energy

74.
A gas can be liquefied by pressure alone when its temperalw'e is higher than its critical temperalw'e lower than its critica1 temperature equa1 to its critical temperature none ofthe above

75.
A liquid boils at a temperalw'e at which its saturated vlpOUt pressure become twice the atmospheric pressure halfthe atmospheric pressure equal to the atmospheric pressure none ofthe above


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