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Physics

Physics
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is

40 J
10 J
25 J
20 J

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Physics
Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes

3R/4
5R/4
R/2
2R

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Physics
Boyle's law relates to

Viscosity of Liquids
Kinetic Theory of Gases
Plasticity of Solids
Elasticity of Solids

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Physics
Infrasonic sound has a frequency lower than

15 Hz
5 Hz
20 Hz
32 Hz

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Physics
An object that has kinetic energy must be

At rest
Moving
Falling
At an elevated position

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Physics
Unit of impedance is ________

Hertz
Henry
Ohm
Tesla

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MORE MCQ ON Physics

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