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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Change in momentum is one second called.
Choose an answer
Impulse
Force
Energy
Work
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Question # 2
The inkjet printer ejects a thin stream of:
Choose an answer
Water
Oil
Ink
Any of above
None of these
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Question # 3
A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec
2
in this case, find radius of the circular path:
Choose an answer
1 m
5 m
10 m
15 m
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Question # 4
The short distance between two points direction from its initial point to final point is called:
Choose an answer
Velocity
Displacement
Speed
Distance
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Question # 5
The relation V = IR represents
Choose an answer
Ampere law
Faraday's law
Ohm's law
Len's law
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Question # 6
The value of the input resistance of OP-AMP is of the order of
Choose an answer
few ohms
few hundred ohms
several kilo ohms
several maga ohms
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Question # 7
The rate of decay of radioactive substance
Choose an answer
is constant
decrease exponentially with time
varies inversely as time
decreases linearly with time
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Question # 8
If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:
Choose an answer
Stationary waves
Transverse waves
Both of these
None of these
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Question # 9
A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?
Choose an answer
108 g
10.8 g
0.8 g
108/0.8 g
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Question # 10
When a platinum wire is heated, it appears white at
Choose an answer
1600
°C
900
°C
1100
°C
1300
°C
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Question # 11
Glass and high carbon steel are the examples of
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brittle substances
ductile substances
plastic substances
elastic substances
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Question # 12
When the stress change length of a body, it is called:
Choose an answer
Shear stress
Tensile stress
Volume stress
Any of these
None of these
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Question # 13
Sunset makes sky appears reddish because of:
Choose an answer
Diffraction of sun rays
Refraction of light
Scattering of light from dust particles
Polarization of ligth
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Question # 14
Diameter of the atom is of the order of
Choose an answer
10
-10
m
10
-12
m
10
-15
m
10
-9
m
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Question # 15
Which combination of 7 identical resistors of 3-ohm will give 12/13 ohm:
Choose an answer
3 series, 4 parallel
5 series, 2 parallel
2 series, 5 parallel
4 series, 3 parallel
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Question # 16
Which one of the following gas properties of gas molecules is the same at a particular temperature
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Momentum
Speed
Mass
Kinetic Energy
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Question # 17
If the focal length of the eye piece 25.0 mm find its magnification
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12.0
14.0
- 11.0
- 13.0
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Question # 18
If red light is incident on sea water it appears
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Red
Green
Blue
Yellow
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Question # 19
If the earth suddenly shrinks to half of its present radius the acceleration due to gravity will be
Choose an answer
g/2
4g
g/4
2g
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Question # 20
In semiconductors, the valence band at room temperature is
Choose an answer
Completely filled
Partially filled
Empty
None of these
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Question # 21
Which will be more effective in knocking a bear down
Choose an answer
A rubber bullet
Lead bullet of same momentum
A wood bullet
None of these
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Question # 22
Which of the following is a scalar quantity
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Density
Displacement
Torque
Weight
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