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PH2
1.
2.
3.
4.
5.
6.
7.
8.
Branch of science that deals with the
study forces, fields and potential arising
from the static charges
(a) Electronic
(b) Electrostatic
(c) Electromagnetic
(d) None of the above
Electric charge is a ________ quantity
(a) Scalar
(b) Vector
(c) Neutral quantity
(d) None of the above
An electron possesses negative charge
which value is _______ coulomb.
(a) 1.6×1019
(b) 1.6×10-19
(c) 1.7×1019
(d) None of the above
The total charge of the isolated system
is always ________
(a) Deserved
(b) Different
(c) Same
(d) Conserved
All observable charge are always some
integral multiple of element charge.
That is
(a) Additively
(b) Conservation
(c) Quantization
(d) None of the above
_______ is the space around a charge,
in which any other charge experience
an electrostatic force
(a) Electric charge
(b) Electric current
(c) Electric field
(d) None of the above
The SI unit of electric field intensity
(a) NC
(b) N/C
(c) NC2
(d) N/C2
 E.ds  q / 
(a)
(b)
(c)
(d)
XIX
o
is refers to –
Yauss law
Farade law
Columb law
None of the above
9.
The phenomenon of protecting a
certain retain of space form external
electric field is electrostatic –
(a) Building
(b) Conductor
(c) Shielding
(d) None of the above
10. The centre of positive charge coincides
with the centre of Negative charge in
the molecules are dielectrics
(a) Non polar
(b) Polar
(c) Both (a) and (b)
(d) None of the above
11. The capacitance of the capacitor is C =
(a) V / Q
(b) QV
(c) Q / V
(d)
1
Q /V
2
12. Capacitance C depends on shape, size
and ________ of the system of two
conductors.
(a) Partition
(b) Combination
(c) Separation
(d) None of the above
13. 1 farad is equal to –
(a) 1 C/V
(b) 1 CV
(c) 1 CV -1
(d) None of the above
14. In parallel plate capacitor, the direction
of electric field is form_____ to _____,
plate
(a) Negative, Positive
(b) Positive, Negative
(c) Both (a) and (b)
(d) None of the above
15. The work is stored in electrostatic
potential energy U in capacitor is –
(a) 2cv2
1
(b) C/V
2
1
(c) C2 V 2
2
(d) 1 CV 2
2
(1)
PH2
16. The device used for building up high
differences of order of the few million
volts is –
(a) Cycle generator
(b) Vandde Graff generator
(c) Electric generator
(d) None of the above
17. Energy stored in charged capacitor is (a) W 
Q
2C
1 2
Q C
2
1
QC 2
(c)
2
(b)
(d) None of the above
18. Electrostatic
_____
is
constant
throughout the volume of the electric
conductor.
(a) Field
(b) Current
(c) Potential
(d) None of the above
19. Rate of flow of electric charge flowing
through any section of wire is –
(a) Charge
(b) Potential
(c) Current
(d) None of the above
20. V  I refers to the law of –
(a) Farade
(b) Coulomb
(c) Ohm
(d) None of the above
21. Length of the conductor (L) is ______
to resistance
(a) Proportional
(b) Inversely proportional
(c) Both (a) and (b)
(d) None of the above
22. Current per unit area is called current
_______
(a) Density
(b) Potential
(c) Capacitance
(d) None of the above
XIX
23. The relation between current density ()
conductivity () & electric field is –

(a) J 
(b) E 
E
J

(c) J =  E
(d) None of the above
24. If area of cross action of a conductor is
A and R is resistance then
(a) R  A
1
A
(b) R 
(c) R  A-2
(d) R  A3
25. If drift velocity is V d then per unit
electric field (E) is denoted by mobility
() which is
(a)  =Vd E
V
(b)  = d
E
(c) V  μ
d
E
(d) None of the above
26. If V = potential differences, I =current, t
=time then electric energy is –
VI
t
Vt
(b)
t
(a)
(c) VI t2
(d) VI t
27. If R1,R2,R3 are resistances
combination in series is R5 is
(a) R1.R2. R3
(b) 1  1  1
then
R R
R
1
2
3
(c) 1  R  R
2
3
R
1
(d) R1+R2+R3
28. The
relation
between
internal
resistance () and external resistance
(R) & current I, if E is end of collection
(a) E =I(r + R)
(b) I  E
R
(c) E 
I
rR
(d) None of the above
(2)
PH2
29. The algebraic sum of currents meeting at a
point in a electrical circuit is always______
(a) Equal
(b) Zero
(c) 
(d) None of the above
30. “In a closed loop, the algebraic sum of the
end is equal to the algebraic sum of product
of resistance and current flowing though
them”. Refers kirchh off’s
(a) First law
(b) Second law
(c) Third law
(d) None of the above
31. A moving charged partied moves in the
path
(a) Parabolic
(b) Elliptical
(c) Cyclotron
(d) none of the above
32. The angular momentum of electron
(mvr) is an integral of _____
(a)
h

2π
h
h
(c)
2π
(d) h
33. “An electron in an atom can revolve
only in a certain stationary orbit” it is
theory of
(a) Rather ford
(b) Neil Bohr
(c) Turade
(d) None of the above
34. Moving coil galvanometer works at the
theory of current carrying coil is placed
in a ________ field
(a) Electric
(b) Magnetic
(c) Gravitional
(d) None of the above
35. Out side the body of magnet, the
direction of magnetic field lines is form
____ pole to ___ pole
(a) South, North
(b) North, South
(c) North, North
(d) South, South
(b)
XIX
36. The net magnetic flux (B) through any
closed surface is always _____
(a) 
(b) Zero
(c) MB sin
(d) None of the above
37. Number of magnetic field lines _____
closed surface is always equal to the
number of magnetic field lines _____ it
(a) Entering, leaving
(b) Leaving, entering
(c) Entering, entering
(d) None of the above
38. Angle between geographic meridian
and magnetic mere dean is
(a) Declination
(b) Dip
(c) Field
(d) None of the above
39. Substances get strongly magnetic are –
(a) Diamagnetism
(b) Paramagnetism
(c) Ferromagnetism
(d) None of the above
40. If e 
d
this refers to the law of
dt

(a) Newton
(b) Faraday
(c) Flaming
(d) None of the above
41. The current induced in a conductor
when placed in a changing magnetic
field, is _______ current
(a) Induced
(b) Eddy
(c) Alternate
(d) None of the above
42. Transformer works on the principle of
electromagnetic _______
(a) Oscillation
(b) Field
(c) Induction
(d) Potential
43. For a transformer, input electric power
is _______ to output electric power
(a) Differ
(b) Equal
(c) Both (a) and (b)
(d) None of the above
(3)
PH2
44. Electromagnetic wave carry energy and
(a) Mass
(b) Momentum
(c) Velocity
(d) Gravity
45. Each plat of capacitor has area = A,
charge = Q then electric field E is –
Q
(a)
A
(b)
(c)
Q

0
Q
A
0
(d) None of the above
46. Electric and magnetic field are ______
to each other with propagation
(a) Parallel
(b) Same
(c) Perpendicular
(d) None of the above
47. If radius of curvature (R) and focal
length (f) then relation between f + R is
(a) R = 2 f
(b) f =
R
2
(c) f = R.2 -1
(d) all of the above
48. If size of image I and size of object O
then linear magnification m is
O
(a)
I
I
(b)
51. The ratio of
(a) Newton
(b) Einstein
(c) Snell
(d) None of the above
52. Which is known as lens formula
1 1
(a)   f
v u
1 1 1
(b)  
v u f
1 1 1
(c)
 
v u f
(d) None of the above
53. Which is lens maker’s formula for a lens
 1
1
1 

(a)  (μ  1)

f
 R1 R 2 
XIX
 1
1
1 

 (μ  1)

f
 R1 R 2 
(c) Both (a) and (b)
(d) None of the above
For correction of myopia the lens are
used
(a) Convex
(b) Concave
(c) Both (a) and (b)
(d) None of the above
Two sources of light emitting light
waves of same frequency or wave is –
(a) Coherent
(b) Initial source
(c) Final sources
(d) None of the above
All the bright and dark fringes are of
______ width
(a) Different
(b) Equal
(c) Both (a) and (b)
(d) None of the above
The phenomenon due to which the
vibration of light are restricted in a
particular plane is called _____ of light.
(a) Diffractive
(b) Interference
(c) Polarization
(d) None of the above
(b)
54.
55.
O
(c) IO
(d) None of the above
49. The phenomenon of charge in path of
light of it goes from one medium to
another medium is called
(a) Reflection
(b) Magnification
(c) Diffraction
(d) Refraction
50. Refractive index of medium b with
respect to medium a is a equal to
μ
b
sini
(a)
sinr
(b) sin i(sin r ) 1
(c) sin icos ec r
(d) All of the above
sin i
is called _____ law
sin r
56.
57.
(4)
PH2
58. The intensity in field becomes
minimum when the axis of analyzer and
polarizer are _______ to each other
(a) Parallel
(b) Perpendicular
(c) Both (a) and (b)
(d) None of the above
59. The phenomenon of bending of light
round the sharp corners of an obstacle
is called
(a) Interference
(b) Diffraction
(c) Polarization
(d) None of the above
60. Each point on the primary wave front
acts of a source of ______ wavelets
(a) Primary
(b) Tertiary
(c) Secondary
(d) None of the above
61. When electrons are emitted form the
metal surface by light are _____
emission
(a) Thermionic
(b) Field
(c) Photoelectric
(d) None of the above
62. The number of photoelectron’s emitted
per second is directly proportional to
the ______ of incident radiation
(a) Velocity
(b) Momentum
(c) Intensity
(d) None of the above
63. The energy of a photon is given by E =
(a) h v
h
v
v
(c)
h
(b)
64. Dual nature of matter having wave and
_____
(a) Molecule
(b) Body
(c) Particle
(d) None of the above
65. Bracket series is lie in the _____ region
(a) Ultraviolet
(b) Infra- red
(c) Gamma
(d) None of the above
66. Which element exhibit the same
chemical properties, but differ in mass
are
(a) Isotope
(b) Isobars
(c) Isomerism
(d) None of the above
67. Metals –possess very low resistively or high
(a) Temperature
(b) Permeability
(c) Conductivity
(d) None of the above
68. A semi conductor with impurity atom
added to it is called
(a) Intrinsic
(b) Extrinsic
(c) Both (a) and (b)
(d) None of the above
69. A function diode made from light
sensitive semi conductor is called –
(a) Zener diode
(b) Photo diode
(c) Triode
(d) None of the above
70. Transistor is as ______
(a) Rectifier
(b) Amplifier
(c) Both (a) and (b)
(d) None of the above
(d) None of the above
XIX
(5)