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Physics
The imaginary line around an object in which it rotates is called:
A. Spin motion
B. Center of gravity
C. Axis of rotation
D. Centre of mass
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Atmospheric pressure is measured with a:
A. Screw gauge
B. Barometer
C. Stethoscope
D. Hygrometer
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What is the speed of light?
A. 299792458 m/s
B. 150000000 m/s
C. 1000000000 m/s
D. 300000000 m/s
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Solar plates consist of which type of cell?
A. Fuel cell
B. Photo voltaic cell
C. Both a & b
D. None of these
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The SI unit of "pressure" is:
A. Pascal
B. Joule
C. Tesla
D. Henry
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Who discovered the force of attraction or repulsion?
A. Faraday
B. Wander wall
C. Coulomb
D. None of these
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Rate of change of displacement is called:
A. Speed
B. Acceleration
C. Velocity
D. Retardation
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Which of the following is not a vector quantity?
A. Displacement
B. Velocity
C. Speed
D. Acceleration
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Batteries convert __________ into the electrical energy?
A. Mechanical energy
B. Chemical energy
C. Thermal energy
D. Nuclear energy
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Gravity was discovered by?
A. Albert einstein
B. Galileo galilei
C. Isaac newton
D. Johannes kepler
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Word of the Day
13 May
Virulent
(of a disease or poison) extremely severe or harmful in its effects.
زہریلا، تلخی، ہلاکت آفرینی

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