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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
The distance between two consecutive trough is called.
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Displacement
Amplitude
Wave length
Wave front
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Question # 2
The formula for the power is
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P= W/d
P=W/v
P=W/t
P=Wt
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Question # 3
The unit of rotational K.E. is
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rAD/SEC
Js
J
Kgm2
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Question # 4
Which is unimportant in describing the satellites orbit.
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Distance of satellite from earth's center
Gravitational constant G
Mass of satellite
Mass of earth
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Question # 5
The fringe spacing increases if we use.
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Yellow light
Green lgiht
Blue light
Red light
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Question # 6
A set of frequencies which are multiples of the fundamental frequency are called.
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Doppler effect
Nodal frequencies
Beat frequencies
Hamonics
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Question # 7
Rate of change of velocity is called
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Speed
Acceleration
Displacement
Torque
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Question # 8
Interplaner distance can be determined by
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Newton's rings
Bragg's law
Diffraction pattern
Interferometer
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Question # 9
The horizontal range of a projectile of 30
o
with horizontal is same at an angle.
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40
o
45
o
90
o
60
o
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Question # 10
If the slope of the velocity time graph remain constant then body is moving with.
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Uniform velocity
Negative variable acceleration
Variable acceleration
Uniform acceleration
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Question # 11
The dimension of power is
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MLT-1
ML2T-2
ML2T2
ML2T-3
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Question # 12
Which one of the following is into directed along the axis of rotation
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Angular acceleration
Angular momentum
Centripetal acceleration
Angular displacement
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Question # 13
The largest satellite system is managed by
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116 countries
126 countries
136 countries
140 countries
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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
Direction of a vector in space requires
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Two axis
Three axis
Four axis
Both a and b
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Question # 16
The law of conservation of energy gives us
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Equation of continuity
Stock's law
Bernoulli's equation
Viscosity
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Question # 17
When two identical travelling waves are superimposed, velocity of resultant wave.
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Decreases
Increases
Remain same
Becomes zero
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Question # 18
If the temperature of sink is absolute zero then the efficiency of heat engine engine should be.
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100%
50%
Infinite
zero
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