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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be
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180 watt
10 watt
20 watt
60 watt
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Question # 2
A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?
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Both hit the ground at the same veloctiy
Both hit the ground at the same speed
The change of velocity during the path for both balls is the same
The change of speed during the path for both balls is the same
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Question # 3
In and A.C. circuit, the current lags behind the emf. The power factor is 50% In order to make it 100%, What additional component is to be used?
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Impedance
Inductance
Capacitance
Resistance
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Question # 4
When a force is applied on a body, several effects are possible Which of the following effect could not occur?
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the body rotates
the body speeds up
the mass of the body decreases
the body changes its direction
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Question # 5
In describing functions of digital systems, a closed switch will be shown as
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0
1
low
any one of these
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Question # 6
At higher frequency of the alternating current, the capacitive reactance X
c
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Increases
Decreases
Remains the same
Increases only when the voltage increases
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Question # 7
Which of the following waves are more energetic
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radio waves
infrared waves
ultraviolet
γ-rays
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Question # 8
The Phenomenon of generation of induced emf is called
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Electrostatic induction
Magnetic induction
Electromagnetic induction
Electric induction
Both A and B
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Question # 9
Which of the following medium/media can transmit both transverse and longitudinal waves:
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Solids
Liquids
Gases
All of them
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Question # 10
A weakly damped system has fairly
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sharp resonance curve
flat resonance curve
both of them
none of them
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Question # 11
The basic circuit element in A.C. circuits are:
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Resistor and capacitor
Resistor and Inductor
Capacitor only
Both (B) and (C)
None of these
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Question # 12
The symbol that is used to represent rotational inertia or moment of inertia is
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W
I
R
M
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Question # 13
The Bernoulli's equation often expressed in
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Question # 14
A space ship has the radius of 9.8m. To produce an artificial gravity of 9.8m/sec
2
the spinning speed is
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9.8 m/sec
1 m/sec
19.6 m/sec
None of these
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Question # 15
Diffraction is concerned with the superposition of
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very large number of secondary wavelets
a few secondary wavelets
two secondary wavelets
no secondary
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Question # 16
Which pair of the following force will never give resultant force of 2N?
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2 N and 2 N
1 N and 1 N
1 N and 3 N
1 N and 4 N
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Question # 17
The feature/features of powered ballistic missiles are
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Long ranges
Greater precision
Remote controlled
All of these
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Question # 18
The blood pressure inside is greater than the
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External atmospheric pressure
Internal atmospheric pressure
Both of them
None of these
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Question # 19
Fraunhofer spectrum is a
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Line absorption spectrum
Band absorption spectrum
Line emission spectrum
Band emission spectrum
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Question # 20
In Millikan's oil drop experiment an oil drop is observed to move vertically upwards. The upward motion of the drop is due to
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Gravity
Viscosity
Buoyancy
Electric Field
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Question # 21
Which of the following theory completely explain the three types of materials?
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Bohr model of electron distribution
Rutherford atomic model
Pauli's exclusion principle
energy band theory
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Question # 22
The resolving power of telescope depends on
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Focal length of eye lens
Focal length of objective lens
Length of the telescope
Diameter of he objective lens
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