1. An electron moving in an electromagnetic field
moves in a
(a) In a straight path
(b) Along the same plane in the
direction of its propagation
(c) Opposite to the original direction of
propagation
(d) In a sine wave
Ans. (b)
2. The total work
done on the particle is equal to the change in its kinetic energy
(a)
Always
(b) Only if the forces acting on the body are conservative.
(c)
Only if the forces acting on the body are gravitational.
(d) Only if the
forces acting on the body are elastic.
Ans. (a)
3. The following unit
measure energy:
(a) Kilo-watt hour.
(b) Volt*volt/sec*ohm.
(c)
Pascal*foot*foot
(d) (Coulomb*coulomb)*farad
Ans. (a)
4.
Astronauts in stable orbits around the earth are in a state of weightlessness
because
(a) There is no gravitational force acting on them.
(b) The
satellite and the air inside it have an acceleration equal to that of
gravitational acceleration there.
(c) The gravitational force of the earth
and the sun balance giving null resultant.
(d) There is no atmosphere at the
height at which the satellites move.
Ans. (b)
5. An organ pipe, open
at both ends and another organ pipe closed at one end,
will resonate with
each other, if their lengths are in the ratio of
(a) 1:1
(b)
1:4
(c) 2:1
(d) 1:2
Ans. (c)
6. During an isothermal expansion
of an ideal gas
(a) Its internal energy increases.
(b) Its internal
energy decreases.
(c) Its internal energy does not change.
(d) The work
done by the gas is not equal to the quantity of heat absorbed by it.
Ans.
(c)
7. A parallel plate capaciator is charged and the charging
battery is then disconnected.
If the plates of the capacitor are moved
further apart by means of insulating handles
(a) The charge on the
capacitor increases.
(b) The voltage across the plates increases.
(c) The
capacitance increases.
(d) The electrostatic energy stored in the capacitor
decreases.
Ans. (b)
8. Two equal negative charges q are fixed at point
(0,a) and (0,-a) on the y-axis.
A positive charge Q is released from rest
at the point (2a,0) on the x-axis. The charge Q will
(a) Execute simple
harmonic motion about the origin
(b) Move to the origin and remain at
rest
(c) Move to infinity
(d) Execute oscillatory but not simple harmonic
motion
Ans. (d)
9. A square conducting loop of length Lon a
side carries a current I.
The magnetic field at the centre of the loop
is
(a) Independant of L
(b) Proportional to L*L
(c) Inversely
proportoinal to L
(d) Directly proportional to L
Ans. (c)
10. The
focal length of a convex lens when placed in air and then in water will
(a)
Increase in water with respect to air
(b) Increase in air with respect to
water
(c) Decrease in water with respect to. air
(d) Remain the
same
Ans. (a)
11. The maximum kinectic energy of the
photoelectron emitted from the surface is dependant on
(a) The intensity
of incident radiation
(b) The potential of the collector electrode
(c) The
frequency of incident radiation
(d) The angle of incidence of radiation of
the surface
Ans. (c)
12. An electron orbiting in a circular
orbit around the nucleus of the atom
(a) Has a magnetic dipole
moment
(b) Exerts an electric force on the nucleus equal to that on it by the
nucleus
(c) Does not produce a magnetic induction at the nucleus
(d) All
of the above
Ans. (d)
13. The X-rays beam coming from an X-ray
tube will be:
(a) Monochromatic
(b) Having all wavelengths smaller
than a certain minimum wavelength
(c) Having all wavelengths larger than a
certain minimum wavelength
(d) Having all wavelengths lying between a minimum
and a maximum wavelength
Ans. (c)
14. The mass number of a
nucleus is
(a) Always less than its atomic number
(b) Always more than
its atomic number
(c) Always equal to its atomic number
(d) Sometimes more
and sometimes equal to its atomic number
Ans. (d)
15. Two
successive elements belonging to the first transition series have the same
number
of electrons partially filling orbitals. They are
(a) V
and Cr
(b) Ti and V
(c) Mn and Cr
(d) Fe and Co
Ans.
(c)
16. When n+l has the same value for two or more orbitals,the new
electron enters the orbital where
(a) n is maximum
(b) n is
minimum
(c) l is maximum
(d) l is minimum
Ans. (b)
17. A
balloon filled with ethylene is pricked with a sharp pointed needle and quickly
placed in a tank
full of hydrogen at the same pressure. After a while
the balloon would have
(a) Shrunk
(b) Enlarged
(c) Completely
collapsed
(d) Remain unchanged in size
Ans. (b)
18. Which
of the following statements is not true?
(a) The ratio of the mean speed
to the rms speed is independant of temperature
(b) Tthe square of the mean
speed of the molecules is equal to the mean squared speed at a certain
temperature
(c) Mean kinetic energy of the gas molecules at any given
temperature is independant of the mean speed
(d) None
Ans.
(b)
19. Which of the following statements represent Raoult's
Law
(a) Mole fraction of solvent = ratio of vapour pressure of the
solution to vapour pressure of the solvent
(b) Mole fraction of solute =
ratio of vapour pressure of the solution to vapour pressure of the
solvent
(c) Mole fraction of solute = lowering of vapour pressure of the
solution
(d) Mole fraction of solvent = lowering of vapour pressure of the
solution
Ans. (a)
20. Elements having the same atomic number
and the same atomic mass are known as
(a) Isotopes(b) Isotones
(c) Isomers
(d) None of the
above
21.Which is the most acidic amongst
(a)
Nitrophenol
(b) O-toulene
(c) Phenol
(d) Cresol
22. Pure water does not conduct electricity because it is
(a) Almost not
ionised
(b) Low boiling
(c) Neutral
(d) Readily decomposed
Ans.
(a)
23. In a salt bridge, KCl is used because
(a) It is an
electrolyte
(b) The transference number of K+ and Cl¯ is nearly the
same
(c) It is a good conductor of electricity
(d) All of the
above
Ans. (d)
24. A depolarizer used in the dry cell
batteries is
(a) KCl
(b) MnO2
(c) KOH
(d) None of the
above
Ans. (b)
25. The hydrolysis of alkyl halides by aqueous
NaOH is best termed as
(a) Electrophylic substitution reaction
(b)
Electrophylic addition reaction
(c) Nnucleophylic addition reaction
(d)
Nucleophylic substitution reaction
Ans. (d)
26. The
hydrocarbon that gives a red precipitate with ammoniacal cuprous chloride is (where 'º' means a triple bond)
(a)
CH3-CH2-CH2-CH3
(b) CH3-CºC-CH3
(c) CH2=CH-CH=CH2
(d)
CH3-CH2-CºCH
Ans. (d)
27. Which of the following
reagents is neither neutral nor basic
(a) Lucas' reagent
(b) Tollen's
reagent
(c) Bayer's reagent
(d) Fehling's solution
Ans.
(a)
28. The substance which is most easily nitrated
(a)
Toluene
(b) Bbenzene
(c) Nitrobenzene
(d) Chlorobenzene
Ans.
(a)
29. Carbylamine reaction is a test for
(a) Primary
amine
(b) Secondary amine
(c) Tertiary amine
(d) Quarternary ammonium
salt
Ans. (a)
30. Which of the following oxides cannot be
reduced by carbon to obtain metal
(a) ZnO
(b) Al2O3
(c)
Fe2O3
(d) PbO
Ans. (b)
31. Which of the following is not an
oxide ore?
(a) Cassiterite
(b) Siderite
(c) Pyrolusite
(d)
Bauxite
Ans. (b)
32. Which among the following is called
philosopher's wool
(a) Cellulose
(b) Calamine
(c) Stellite
(d)
Cerussite
Ans. (c)
33. Out of 10 white, 9 black and 7 red
balls, in how many ways can we select one or more balls
(a) 234
(b)
52
(c) 630
(d) 879
Ans. (d)
34. A and B throw a dice.
The probabilty that A's throw is not greater than B's is
(a) 5/12
(b)
7/12
(c) 11/12
(d) 5/36
Ans. (b)
35. Given two numbers a
and b. Let A denote the single AM between these and S denote the sum of n
AMs
between them. Then S/A depends upon
(a) n
(b) n,a
(c)
n,b
(d) n,a,b
Ans. (a)
36. If the sum of the roots of the
equation ax²+bx+c=0 is equal to the sum of the squares of their
reciprocals,
then, a/c, b/a, c/b are in
(a) AP
(b) GP
(c)
HP
(d) None of the these
Ans. (c)
In the following
questions ~ represents the integral sign-for eg. 1~2[f(x)] means integration
of
the function f(x) over the interval 1 to2.
37. Value of
-1~2[|2-x²|]dx, ie integration of the function |2-x²| over the interval -1 to
2.
(a) 0
(b) 1
(c) 2
(d) None of the above
Ans.
(d)
38. If 0~P[log sinx]dx=k,then the value of 0~P/4[log(1 + tan
x)]dx ,where P stands for pi,is
(a) -k/4
(b) k/4
(c) -k/8
(d)
k/8
Ans. (c)
39. If a,b,c be in GP and p,q be respectively AM
between a,b and b,c then
(a) 2/b=1/p+1/q
(b) 2/b=1/p-1/q
(c)
2=a/p-c/q
(d) None of the above
Ans. (a)
40. A solution of
KMnO4 is reduced to MnO2 .The normality of solution is 0.6.The molarity
is
(a) 1.8M
(b) 0.6M
(c) 0.1M
(d) 0.2M
Ans.
(d)
The questions 41-46 are based on the following pattern.The
problems below contain a question
and two statements giving certain data. You
have to decide whether the data given in the
statements are sufficient for
answering the questions.The correct answer is
(A) If statement (I) alone
is sufficient but statement (II) alone is not sufficient.
(B) If
statement(II) alone is sufficient but statement(I) alone is not
sufficient.
(C) If both statements together are sufficient but neither of
statements alone is sufficient.
(D) If both together are not
sufficient.
41. What is John's age?
(I) In 15 years John
will be twice as old as Dias would be
(II) Dias was born 5 years
ago
Ans. (C)
42. What is the distance from city A to city C in
kms?
(I) City A is 90 kms from City B
(II) City B is 30 kms from City
C
Ans. (D)
43.Is A=C ? A,B,C are real numbers
(I)
A-B=B-C
(II) A-2C = C-2B
Ans. (C)
44. What is the 30th term
of a given sequence ?
(I) The first two terms of the sequence are
1,1/2
(II) The common difference is -1/2
Ans. (A)
45.Was
Avinash early, on time or late for work?
(I) He thought his watch was 10
minutes fast
(II) Actually his watch was 5 minutes slow
Ans.
(D)
46. What is the value of A if A is an integer?
(I) A4 =
1
(II) A3 + 1 = 0
Ans. (B)
47. A person travels 12 km in
the southward direction and then travels 5km to the right and then travels 15km
toward the right and finally travels
5km towards the east, how far is he from
his starting place?
(a) 5.5 kms
(b) 3 km
(c) 13 km
(d) 6.4
km
Ans. (b)
48. X's father's wife's father's granddaughter
uncle will be related to X as
(a) Son
(b) Nephew
(c) Uncle
(d)
Grandfather
Ans. (c)
49. Find the next number in the series 1,
3 ,7 ,13 ,21 ,31
(a) 43
(b) 33
(c) 41
(d) 45
Ans.
(a)
50. If in a certain code "RANGE" is coded as 12345 and "RANDOM"
is coded as 123678.
Then the code for the word "MANGO" would
be
(a) 82357
(b) 89343
(c) 84629
(d) 82347
Ans.
(d)
51. If "PROMPT" is coded as QSPLOS ,then "PLAYER" should
be
(a) QMBZFS
(b) QWMFDW
(c) QUREXM
(d) URESTI
Ans.
(a)
The questions 52-53 are based on the following data
6
people A,B,C,D,E and F sit around a table for dinner.Since A does not like C, he
doesn't sit either opposite or beside C.B and F always like to
sit opposite
each other.
52. If A is beside F then who is are the two neighbours of
B?
(a) D and C
(b) E and C
(c) D and E
(d) Either (a) or
(b)
Ans. (c)
53. If D is adjacent to F then who is adjacent to
C?
(a) E and B
(b) D and A
(c) D and B
(d) either (a) or
(c)
Ans.(d)
54. Complete the sequence A, E ,I ,M ,Q ,U , _ ,
_
(a) B, F
(b) Y, C
(c) G, I
(d) K,
O
Ans.(b)
55. A person travels 6km towards west, then travels
5km towards north ,then finally travels
6km towards west. Where is he
with respect to his starting position?
(a) 13km east
(b) 13km
northeast
(c) 13km northwest
(d) 13km west
Ans. (c)
56.
If A speaks the truth 80% of the times, B speaks the truth 60% of the
times.
What is the probability that they tell the truth at the same
time
(a) 0.8
(b) 0.48
(c) 0.6
(d)
0.14
Ans.(b)
57. If the time quantum is too large, Round Robin scheduling degenerates to
(a)
Shortest Job First Scheduling
(b) Multilevel Queue Scheduling
(c)
FCFS
(d) None of the above
Ans. (c)
58. Transponders are
used for which of the following purposes
(a) Uplinking
(b)
Downlinking
(c) Both (a) and (b)
(d) None of the above
Ans.
(c)
59. The format specifier "-%d" is used for which purpose in
C
(a) Left justifying a string
(b) Right justifying a string
(c)
Removing a string from the console
(d) Used for the scope specification of a
char[] variable
Ans. (a)
60. Virtual functions allow you
to
(a) Create an array of type pointer-to-base-class that can hold
pointers to derived classes
(b) Create functions that have no body
(c)
Group objects of different classes so they can all be accessed by the same
function code
(d) Use the same function call to execute member functions to
objects from different classes
62. A sorting algorithm which can
prove to be a best time algorithm in one case
and a worst time
algorithm in worst case is
(a) Quick Sort
(b) Heap Sort
(c) Merge
Sort
(d) Insert Sort
Ans. (a)
63. What details should never
be found in the top level of a top-down design?
(a) Details
(b)
Coding
(c) Decisions
(d) None of the above
Ans. (c)
64.
In an absolute loading scheme, which loader function is accomplished by
assembler
(a) Reallocation
(b) Allocation
(c) Linking
(d) Both
(a) and (b)
Ans. (d)
65. Banker's algorithm for resource
allocation deals with
(a) Deadlock prevention
(b) Deadlock
avoidance
(c) Deadlock recovery
(d) None of these
Ans.
(b)
66. Thrashing can be avoided if
(a) The pages, belonging
to the working set of the programs, are in main memory
(b) The speed of CPU
is increased
(c) The speed of I/O processor are increased
(d) All of the
above
Ans. (a)
67. Which of the following communications lines
is best suited to interactive processing applications?
(a) Narrowband
channels
(b) Simplex channels
(c) Full-duplex channels
(d) Mixedband
channels
Ans. (b)
68. A feasibility document should contain
all of the following except
(a) Project name
(b) Problem
descriptions
(c) Feasible alternative
(d) Data flow diagrams
Ans.
(d)
69. What is the main function of a data link content
monitor?
(a) To detect problems in protocols
(b) To determine the type
of transmission used in a data link
(c) To determine the type of switching
used in a data link
(d) To determine the flow of data
Ans.
(a)
70. Which of the following is a broadband communications
channel?
(a) Coaxial cable
(b) Fiber optic cable
(c) Microwave
circuits
(d) All of the above
Ans. (d)
71. Which of the
following memories has the shortest access time?
(a) Cache memory
(b)
Magnetic bubble memory
(c) Magnetic core memory
(d) RAM
Ans.
(a)
72. A shift register can be used for
(a) Parallel to
serial conversion
(b) Serial to parallel conversion
(c) Digital delay
line
(d) All the above
Ans. (d)
73. In which of the
following page replacement policies, Balady's anomaly occurs?
(a)
FIFO
(b) LRU
(c) LFU
(d) NRU
Ans. (a)
74. Subschema
can be used to
(a) Create very different, personalised views of the same
data
(b) Present information in different formats
(c) Hide sensitive
information by omitting fields from the sub-schema's description
(d) All of
the above
Ans. (d)
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