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Physics

Physics
Minimum number of unequal vectors which can give zero resultant are

more than four
four
three
two

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Physics
What is unit of Viscosity ?

Watt per meter per degree celcius
Newton second per square meter
Joule per kilogram per Kelvin
Coulomb

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Physics
The locomotion of insects to the source of light is called :

Phototropic
Hydrotropic
Phototactic
Thermotactic

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Physics
A photo-electric cell converts

Light energy to electrical energy
Mechanical energy to electric energy
Light energy to chemical energy
Heat energy to mechanical energy

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Physics
The rate at which energy is transferred is called

Watt
Power
Volt
Potential

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Physics
A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

50 J
100 J
150 J
75 J

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