| Post Name | Lr in Physics |
|---|---|
| Question Paper Code | 003/2015/OL |
| Category Code | 107/2013 |
| Date of Test | 30 January 2015 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
When and by whom was the 'Nair Service Society' founded?
Answer
C. 1914 - Mannath Padmanabhan
2
The 'Al- Ameen ' started publication from Calicut in October 1924 under the Editorship of
Answer
A. Muhammed Abdur Rahiman
3
The Autobiography of C Kesavan
Answer
B. Jeevitha Samaram
4
The novel 'Tottiyude Makan' was written by
Answer
D. Thakazhi
5
Guruvayoor Satyagraha was started on
Answer
B. 01 November 1931
6
Which Nuclear power plant became India's ļ¬rst Nuclear plant to generate 1000 MW power
Answer
A. Kudankulam
7
The Global Day of Parents was observed on
Answer
D. 01 June
8
Who was selected for the J C Daniel award for life time achievement in Cinema for the year 2013 ?
Answer
C. M T Vasudevan Nair
9
Who became the Chief minister of Odisha consecutively for four times?
Answer
A. Naveen Patnaik
10
The autobiography of Sachin Tendulkar
Answer
C. Playing it my way
11
A unit vector perpendicular to the surface x 2 +y 2 +z 2 =3 at the point(1,1,1) is
Answer
A. (i+j+k)/ā3
12
If B = Curl A, the value of ā«B.ds over a closed surface S is
Answer
D. 0
13
Number of independent components of an antisymmetric tensor of rank 2 in 4-dimension is
Answer
B. 6
14
If the square of a Hermitian matrix is a unit matrix, then its eigenvalues are
Answer
C. (1, ā1)
15
The trace of metric tensor for Minkowski space is
Answer
A. 2
16
Gauss's theorem for a vector function A is
Answer
B. ā«A.ds = ā«DivA dV
17
Which of the following form a group under ordinary multiplication
Answer
Question Cancelled
18
The value of ā«āāāŗā eįµĖ£/(1 + eĖ£) dx, 0 < a < 1, is
Answer
D. Ļ/sin(aĻ)
19
If Pā(x) is the Legendre polynomial of order n, then ā«āāĀ¹[Pā(x)]Ā² dx is
Answer
A. 2/(2n + 1)
20
Find the Fourier sine transform of eā»įµįµ.
Answer
A. ā(2/Ļ) Ā· Ļ/(ĻĀ² + aĀ²)
21
Find a and b for which Q = qįµ cos(bp) and P = qįµ sin(bp) represent a canonical transformation.
Answer
B. a = 1/2; b = 2
22
The homogenity of time leads to the law of consevation of
Answer
C. energy
23
Van der Pol equation dĀ²x/dtĀ² - Īµ(1-xĀ²)dx/dt + x=0 (with non zero Īµ ) is an example of
Answer
C. Non linear non conservative system
24
The ļ¬rst integrals of motion of a system under central force are
Answer
C. Angular momentum and energy
25
Which represents a logistic map function?
Answer
D. Xāāā = AXā(1 ā Xā)
26
For a relativistic particle, the product of particle velocity and phase velocity of the associated de-Broglie wave is
Answer
A. cĀ²
27
Constraint in a rigid body is
Answer
D. holonomic and scleronomic
28
If generalized coordinate has the dimension of velocity, then corresponding generalized velocity has the dimension of
Answer
D. acceleration
29
A particle of rest mass energy of 8MeV is moving with energy 10 MeV. Find momentum of the particle in MeV/c
Answer
C. 6 MeV/c
30
A particle is moving in an inverse square force ļ¬eld. If the total energy of the particle is positive, then the trajectory of the particle will be
Answer
A. hyperbolic
31
What is the frequency of the electromagnetic radiation that can just ionise H atom?
Answer
D. 3.29Ć10 15 Hz
32
A He-Ne laser emits radiation with wavelength 633nm. How many photons are emitted per second by this laser with a power of 1 milliwatt?
Answer
C. 3.19Ć10 15
33
Which is the correct commutation relation?
Answer
A. [x,p] = ih/(2Ļ)
34
A particle of mass m moves freely inside a one dimensional impenetrable box of side a. What is the lowest energy eigen value of the particle?
Answer
B. 8ma 2 h2
35
Fine structure constant Ī± is given by 2Ī e 2
Answer
A. hc hc
36
What is the change arises in ground state energy of a harmonic oscillator of frequency Ļ, if there is an anharmonic term of x 4 in the potential? 8Ī 2 m 2 Ī© 2
Answer
B. 16Ī 2 m 2 Ļ 2 2Ī mĻ
37
For a system of two identical particles, each of which can be in one of n quantum states. Then number of antisymmetric states of the system is n( n + 1)
Answer
C. 2
38
Dirac's relativistic quantum theory leads to the discovery of which particle?
Answer
C. Positron
39
What is the energy of a photon of wavelength 300 nm?
Answer
D. 6.625 Ć 10ā»Ā¹ā¹ J
40
Pauli's exclusion principle is obeyed by
Answer
C. Electrons
41
A charge Q is placed at the centre of a cube of side L. The ļ¬ux of the electric ļ¬eld through the six surfaces of the cube is
Answer
B. Īµ0
42
Two electron beams moving parallel in the same direction will
Answer
A. attract each other
43
The relation between magnetic, electric and optical wave propagation is given by
Answer
B. c = 1/ā(Ī¼āĪµā)
44
For an isotropic dielectric media, the relative permitivity is a
Answer
A. scalar quantity
45
The Maxwell equation which remains unchanged when a medium changes is
Answer
A. ā Ā· B = 0
46
The eļ¬ciency of a Carnot engine whose temperature of sink is 10 degree centigrade is 50%. By how much should the temperature of the source be increased so as to increase the eļ¬ciency of the eng
Answer
A. 377K
47
Two spherical vessels contain equal quantities of air. One is at a temperature of 70 degree C and its internal radius is 7 cm with pressure P. The other vessel is at temperature 239 degree with pressure Pā. The pressure exerted by air inside them satisfies which of the following relations?
Answer
C. Pā = P
48
A system consists of 10,000 atoms and is at 300K. Assuming there is no inter atomic energy in the system, its total energy will be
Answer
C. 6.21 KJ
49
Consider the system of four identical particles each of which can be in any one of ļ¬ve single particle states. Then the accessible number of states of the system according to Bose-Einstein statistics is
Answer
D. 70
50
The fermi energy for a metal is 4.7 eV. What is its value for another metal which has the free electron density 27 times that of the former?
Answer
A. 42.3 eV
51
When the electron jumps from the fourth orbit to the second orbit, one gets
Answer
D. second line of Balmer series
52
The maximum number of electrons in a subshell with orbital quantum number l is
Answer
C. 2(2l+1)
53
The magnetic moment associated with ļ¬rst orbit in hydrogen atom is h
Answer
C. 4Ī m ehm
54
The L,S and J quantum numbers corresponding to the ground state electonic conļ¬guration of Boron (Z=5) are
Answer
B. L = 1, S = 1/2, J = 1/2
55
Which one of the following molecules does not exhbit a rotational spectrum
Answer
A. H2
56
A hexagonal structure has a symmetry element
Answer
A. One 6-fold rotation axis
57
Packing fraction for a simple cubic lattice as comapred to that of fcc lattice is
Answer
B. smaller
58
When irradiated with visible light, which of the following types of solids are always opaque ?
Answer
C. metallic solids
59
Eistein's theory concludes that at lower temperatures the speciļ¬c heat
Answer
C. drops exponentially with decrease of temperature
60
For a conventional superconductor, which of the following statement is NOT true?
Answer
D. It is paramagnetic below Tc
61
x in the nuclear reaction: 29 Cu ā 28 Ni + x: is
Answer
A. Positron
62
Half life of a radioactive sample is 365 days. Its mean life is then
Answer
C. 526.87 days
63
Shell model potential is
Answer
B. V(r) = āVā/[1 + e^((rāR)/a)]
64
For spontaneous ļ¬ssion of a nucleus with atomic number Z and mass number A, Z
Answer
D. >47 A
65
Which of the following is true?
Answer
C. Leptons do not have colour
66
For a transistor operating in the saturation region,
Answer
D. Iź ā¤ hź°į“IŹ
67
Output voltage v0 of the ideal op-amp given below is:
Answer
Question Cancelled
68
The transistor circuit shown uses silicon transistor with V BE = 0.7, IC ā IE and a current gain of 100. The value of V0 is,
Answer
Question Cancelled
69
A 4-bit D/A converter produces an output voltage of 4.5V for an input code of 1001. Its output voltage for an input code 0011 will be:
Answer
C. 1.5V
70
The variation of drain current with gate-to-source voltage (I D - VGS characteristics) of a MOSFET is shown in ļ¬gure. The MOSFET is,
Answer
Question Cancelled
71
Nano tubes are structures with conļ¬nement in
Answer
A. 2 dimensions
72
Unique properties of nano materials can be ascribed to
Answer
D. all of the above
73
CNT can be metallic if the chiral vector (n,m)
Answer
C. n ā m = 0
74
An example of top down approach in nano technology is
Answer
D. milling
75
Ballistic quantum conductance is related to
Answer
B. CNT
76
An important feature of Big Bang cosmology that is supported by observational astronomy is that the universe
Answer
B. is expanding at an accelerating rate
77
Pulsars are stars that give oļ¬ precisely spaced bursts of radiation. Which of the following is responsible for this phenomenon?
Answer
A. The strong magnetic ļ¬eld of a neutron star causes it to emit radiation in two narrow beams that sweep by Earth as the star spins
78
In a typical H-R diagram, stars are graphed by these two characteristics
Answer
C. Temperature and luminosity
79
Which of the following appliances use solar photovoltaic technology?
Answer
A. Solar lantern
80
The value of the solar constant is approximately
Answer
B. 1.36 kW/mĀ²
81
āThe systematic and controlled handling of variables to see if treatments will create expected resultā is an essential step in
Answer
B. Scientiļ¬c Method
82
In a sponsored research which of the following action of the sponsor is in compliance with ethical considerations
Answer
D. Instructions on not to conceal the sponsor
83
Reliability in research stands for
Answer
A. Replicability
84
Insuļ¬cient evidence in research leads to
Answer
B. Over generalization
85
Citation index is directly related to
Answer
C. Impact factor of a journal
86
Which among the following skill is required most for a present day teacher?
Answer
D. Facilitation
87
While initiating the instructional process a teacher should be aware of
Answer
B. Learner readiness
88
Comprehensive evaluation is inclusive in nature by doing it
Answer
C. Continuously
89
Which of the following is most suitable for meaningful learning in a classroom?
Answer
A. Interactions
90
Which of the following is a best teaching aid?
Answer
D. Sound motion picture
91
1 Money Bill can be introduced in ā¦ā¦ā¦..in the Parliament
Answer
A. Lok Sabha
92
1 Special Constitutional Status of Jammu & Kashmir is Provided inā¦
Answer
D. Art. 370
93
1 Who among the following administers oath of oļ¬ce to the President of India ā¦
Answer
C. Chief Justice of India
94
1 The fundamental right to education is incorporated in ā¦.
Answer
C. Art. 21A
95
1 Which of the following is NOT a writ
Answer
B. Ipso Facto
96
The National Commission for Women consists of a Chairperson and ............... members.
Answer
C. 5
97
What is the name of the programme launched on December 25, 2000 by the Central Government for providing food grains to the poor at highly subsidised rates?
Answer
A. Antyodaya Anna Yojana.
98
What is the maximum time period ļ¬xed by Section 7(1) of Right to Information Act,2005 for providing information by Central or State Public Information Oļ¬cers in normal course?
Answer
B. 30 days.
99
The Environment (Protection) Act was enacted in India in pursuance of ...............................
Answer
B. UN Conference on the Human Environment 1972.
100
The National Rural Employment Guarantee Act, 2005 aims at providing a minimum of ............ days unskilled manual work.
Answer
C. 100
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