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Online Tests
Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Which of the following is not mechanical wave?
Choose an answer
Sound wave
Light wave
wave produced in spring
None of them
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Question # 2
Graph of Black body radiation is example of
Choose an answer
Band spectra
Continuo's spectra
Line spectra
All
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Question # 3
Vibratory motion is always under
Choose an answer
Applied force
Restoring force
Periodic force
Gravitational force
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Question # 4
One kilogram of different substances contain
Choose an answer
same number of molecules
different number of molecules
may be same or different
none of them
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Question # 5
Above a certain velocity of a fluid is called
Choose an answer
turbulent flow
steady flow
either of them
both of them
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Question # 6
The process which is carried out at constant temperature is known as
Choose an answer
adiabatic process
isothermal process
isochoric process
none of them
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Question # 7
F = I(L x B) is a
Choose an answer
vector
scalar
unit vector
none of these
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Question # 8
If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
Choose an answer
Increase
Decrease
Remain constant
None of these
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Question # 9
Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:
Choose an answer
N = nN
A
m = MN
A
n = N N
A
, M = mN
A
M = N
A
/N , N
A
= m/n
N = nN
A
, M = mN
A
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Question # 10
The product of the pressure and volume of an ideal gas is
Choose an answer
A constant
Approximately equal to the universal gas constant
Directly proportional to its temperature
Inversely proportional to its temperature
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Question # 11
The reciprocal of decay constant λ of a radioactive material is:
Choose an answer
Frequency
Half life
Year
Mean life
None of these
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Question # 12
In spectrometer the function of collimator is to produce
Choose an answer
Diverging beam of light
Converging beam of light
Parallel beam of light
None of these
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Question # 13
The fringes produced in Young's double slit experiment will be wider if the distance between the two slits is
Choose an answer
small
large
zero
very large
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Question # 14
A Perpetual motion is that motion which is
Choose an answer
Temporary
Continuous
Forever
None of these
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Question # 15
The typical speed of human swimming is
Choose an answer
1.5 ms
-1
2 ms
-1
2.5 ms
-1
3.0 ms
-1
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Question # 16
Which of the following curve in P - V diagram represent adiabatic process
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Question # 17
Water is filled up to a height 'H' in a tank.A hole is made at depth 'h' below the water level.The velocity of efflux of the fluid is
Choose an answer
2gh
gh
√2gh
√gh
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Question # 18
Co-planar forces are those forces which are
Choose an answer
right angle to each other
parallel to each other
antiparallel to each other
acting in a plane
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Question # 19
If the focal length of the eye piece 25.0 mm find its magnification
Choose an answer
12.0
14.0
- 11.0
- 13.0
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Question # 20
Collision between gas molecules are perfectly elastic when collide with
Choose an answer
Walls of container
Themselves
Both
None of these
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Question # 21
A change in position of a body from its initial position to its final position is known as
Choose an answer
relative motion
displacement
distance
acceleration
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Question # 22
Blood is an incompressible fluid having density nearly equal to
Choose an answer
Milk
Honey
Water
None of these
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