1, In high energy physics scientist study:
a, matter b, big particles
c, elementary d, ions
2, Wave
theory of light was presented by:
a, Newton b, Maxwell
c, Compton d, Huygens
3, Natural Radioactivity was disobeyed by Decree
in.
a, 1976. b, 1896.
c, 1996. d, 1916.
4, X – rays
were discovered by,
a, J.J. Thomson.
b, Crooks.
c, Lorenz.
d, Roentgen.
5, The circumference of the earth was determined by,
a, Albernie.
b, Al – Khawririmi.
c, Omer Khayyam,
d, Ibn – al – Haitiam.
6, The pioneers of physics are
a, Greeks
b, Egyptians
c, Babylonians
d, Chinese
.
7, which one of the following is not a unit of
length
a, Angstrom
b, Micron
c, Radian
d, Light
year
8, Which one of the following is not regarded as
a fundamental quantity in physics
a, Length
b, Mass
c, Time
d, Weight
9, Zero is significant only if it
a, Lies to the left of a significant digit
b, is between two digits
c, is to the right of a significant digit
d, is before the decimal point
10, A Second is defined as the duration of
vibration of
a, Carbon
atom
b, Cesium
atom
c, Radium atom
d, Nitrogen atom
11, The dimension of the following pair is not the
same
a, work & energy
b, work and torque
c, Momentum & impulse
d, Mass
& moment of inertia
10, The decimal system was introduced by
a, Greeks
b, Egyptians
c, Chinese
d, Indians
11, The unit of Plank’s constant is
a, Joule /sec
b, Joule
x sec
c, Joule x m
d, Joule / m
12, The error in measurement may occur due to
a, inexperience of a person
b, The faulty apparatus
c, Inappropriate method
d, Due to all reasons in a, b and c
13, In any
measurement the significant figures are
a, all accurately known and all doubtful digits
b, only accurately known digits
c, only doubtful digits
d, all
accurately know digits and the first doubtful digit
14, A digit
zero in a measurement
a, may be significant may not significant
b, always significant
c, always insignificant
d, significant
only if left to a significant figure
15. Which one is the
highest power multiple?
a, giga b, beta
c, mega d, deca
16, Unit of G is ?
a, Nm2 kg2 b, N
m2 kg
c, N m2 kg-2 d, none
17, The
unit of force is ___________ and its symbol is _____________ which is the
correct pair?
a, Newton,
n b, Newton, N
c, newton, n d, newton,
N
.18, Which one is the correct representation of the unit of
pressure?
a Newton/Meter2
b,
newton/meter2
c,
Newton/meter2
d,
Newton/Meter2
19, 1024 can be written in scientific notation as
a, 1.024x 103
b, 210
c, 0.000976 d, 1/0300097
20. Number of significant figures in 0.0173 are
a, Three b, four
c, five d, two
21. The dimension of force is
a, MLT-1 b, MLT-2
c, ML-1T d, ML-1T2
22. ML-1T-2 is the
dimension of
a, force b, pressure
c, momentum d, energy
23. Which equation is not dimensionally correct?
(a) E = mc2
(b) Vf = Vi + at
(c) S = Vt2
(d) S = 1/2at2
24. Three students measured length of a needle
with meter rod and recorded as:
(i) 0.2145m (ii) 0.21m
(iii) 0.214m
25, Which one is correct record?
a, only (i) b, only (ii)
c, only (iii) d, both (i) and (ii)
26. Which one is the dimensionally correct
equation?
a, f = vt
b, S = Vit+1/2at2
c, V = St
d, V= f/t
27. A metal sphere of radius r is dropped
into a tank of water. As it sinks at speed v, it experiences a drag force F
given by F = kr v, where k is a constant. What are the SI base units of k?
a, kg
m2 s–1 b, kg m–2s–2
c, kg
m–1s–1 d, kg m s–2
28, Wave theory of light was presented by:
a Newton b, Maxwell
c, Compton d, Huygens
29, Einstein presented his famous theory of relativity
in:
a, 1975 b, 1955
c, 1905 d, 1805
20, Muslims in the early ages translated science
books into Arabic from which language?
a, English b, Spanish
c, French d, Greek
31, Al-Beruni determined
a, Area of
the moon
b, Circumference
of earth
c, Modern
electronics
d, Radioactivity
32, The unit of Luminous Intensity is:
a, cadela b, candela
c, cdanela d, caladela
33, Which of the following is SI base unit?
a, gram b, slug
c, Newton d, Kilogram
34, Which one of the following shows only unit of
length:
a, Ao ,
kg, gm b, M, m3 , s
c, Ao km
, m d, Gm, m2, deci-m
35, Meter is defined as the distance traveled by
light in vacuum in:
a, 1 second
b, 299792458
second
c, 1/299792458
second
d, 165076373
second
36, The dimensions of stain are
a, [MLT2] b, [ML-2T]
c, [Mo
Lo To] d, [M-1L-1T-1]
37, Which of the following physical quantities is
represented by dimensions M-1 L1 T2
a, gravitational
constant G
b, coulombs
constant
c, young,s
modulus
d, plank,s
constant
38, The dimension of angular velocity is:
a, A. Mo
Lo K-1 b, ML2 L-1 K
c, Mo
Lo K-1 d, T-1
39, One mile is equal to:
a, 1699m b, 1799
m
c, 1809 m d, 1609m
40, 1 mc3=
a, 0.01 mc3 b, 1000 mm3
c, 0.001 m3
d, 100 cm3
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