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Online Tests
Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Which of the following has the greatest coefficient of viscosity?
Choose an answer
water
gasoline
honey
tar
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Question # 2
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Choose an answer
element
daughter element
parent element
none of these
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Question # 3
If 250V is the RMS value of alternative voltage, then its peak value V
o
will be:
Choose an answer
353.5V
250V
175V
zero
400V
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Question # 4
Which of the following material has longer half life
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radium
polonium
radium
uranium
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Question # 5
A swing has
Choose an answer
one natural frequency
two natural frequencies
three natural frequencies
four natural frequencies
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Question # 6
In flesh, light element like carbon, hydrogen and oxygen predominate. Three elements allows ______ amount of incident X-ray to pass through them
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Small
Greater
Equal
Sometimes
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Question # 7
The value of viscosity of a fluid is dependent on (at constant temperature)
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the fluid itself
the fluid and its container
anything in contact with the fluid
all of the above
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Question # 8
The efficiency of petrol engine is usually not more than 25% to 30% because of
Choose an answer
friction
heat losses
both of them
none of them
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Question # 9
The maximum displacement of a body on either side of its equilibrium position is called
Choose an answer
frequency
amplitude
displacement
time period
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Question # 10
In rotational motion, analogue of force F us called:
Choose an answer
Couple
Torque
Mass
Moment of intertia
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Question # 11
The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
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More, lesser
Lesser, more
Both A and B
Lesser, lesser
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Question # 12
Polaristion is a phenomenon associated with a certain type of wave.
Which condition must be fulfilled if the wave is to be polarised?
Choose an answer
It must be a light wave
It must be a light wave
It must be a transverse wave
It must be a longitudinal wave
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Question # 13
Einsteins theory gives us a physical picture of how gravity
Choose an answer
Created
Produced
Works
None of these
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Question # 14
The Physical quantity which has the dimensional formula M
1
T
-3
is
Choose an answer
Surface tension
Solar constant
Density
Compressibility
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Question # 15
The blood pressure inside is greater than the
Choose an answer
External atmospheric pressure
Internal atmospheric pressure
Both of them
None of these
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Question # 16
Every point of a wavefront may be considered as a
Choose an answer
Source
Source of wavefront
Source of secondary wavefront
None of these
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Question # 17
The blood flow is laminar at
Choose an answer
Normal blood pressure
Systolic blood pressure
Diastolic blood pressure
High blood presure
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Question # 18
Mathematically the instantaneous velocity is defined as
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Question # 19
Which of the fluid has ideal behavior at low speeds
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Air
Blood
Honey
None of these
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Question # 20
The diffraction of light occurs, due to interference, of
Choose an answer
Obstructed portion
Unobstructed portion
Both obstructed and unobstructed light
None of these
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Question # 21
SI Unit of power is
Choose an answer
Joule
Pound
Watt
Dyne
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Question # 22
The light form Sun reaches earth in the form of
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plane wavefront
circular wavefront
spherical wavefront
elliptical wavefront
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