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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
Sound wave can not be
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Reflected
Refracted
Diffracted
Polarized
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Question # 2
In S.H.M, the acceleration of the body is directly proportional to
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Weight of body
Applied force
Amplitude
Displacement
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Question # 3
A bullet shot straight up, return to its starting point in 10 sec. Its initial speed was
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9.8 ms-1
24.5 ms-1
49 ms-1
98 ms-1
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Question # 4
10 N and 20 N are acting on a body of mass 2 kg the minimum acceleration will be.
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10 ms-2
20 ms-2
60 ms-2
5 ms-2
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Question # 5
Substances that don't flow easily has
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Large co-efficient of viscosity
Small co-efficient of viscosity
Medium co-efficient of viscosity
Zero-coefficient of viscosity
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Question # 6
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.
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5
10
15
25
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Question # 7
The concentration of red blood cells in the blood is nearly.
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40%
60%
25%
50%
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Question # 8
Increase in speed of sound for 1
o
C rise in temperature is.
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0.61 ms-1
0.61 cms-1
61 ms-1
6.1 ms-1
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Question # 9
When the car moves with an increasing acceleration then its velocity time graph is always
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Constant
Variable
A straight line
A curve
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Question # 10
Satellites are the objects that orbit around the
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Moon
Sun
Earth
Star
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Question # 11
The process followed by Newton for the determination of speed of sound in air is
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Adiabatic
Isothermal
Isobaric
Isochoric
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Question # 12
No spark plug is needed in the
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Petrol engine
Diesel engine
Gas engine
Water engine
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Question # 13
A ball is thrown up with 20 ms-1 at an angle of 60
o
with x-axis , the velocity of the ball at the top position is.
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0 ms-1
10 ms-1
20 ms-1
16 ms-1
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Question # 14
When the amplitude of a wave become double, its energy becomes
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One half
Two times
Three times
Four times
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Question # 15
The work done is isochoric process is.
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Constant
Variable
Zero
Depend upon condition
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Question # 16
Venturimeter is used ot measure.
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Speed of fluid
Pressure of fluid
Volume of fluid
Mass of fluid
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Question # 17
Sound waves are
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Electromagnetic waves
Transverse waves
Compressional waves
Matter waves
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Question # 18
Fringe spacing is inversely proportional to.
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Wave length
Slit separation
Distance between the slit and screen
Frequency of light
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