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Physics

Physics
The SI unit for measuring work and energy is

Watt
Joule
Ohm
Farad

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Physics
What principle/law explains the working of the hydraulic brakes in automobiles ?

Pascal's law
Archimedes' principle
Bernoulli's law
Posieulle's principle

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Physics
Heat energy is transferred by conduction whenever molecules

Collide each other
Particles replaces there places
All of these
Means of photons

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Physics
Small bubbles are perfectly spherical because of

Surface tension
Viscosity
Pressure
Gravity

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

two
four
more than four
three

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Physics
Which of the following is arranged in order of decreasing conductivity?

Silver, Copper, Aluminium, Steel
Copper, Silver, Aluminium, Steel
Aluminium, Silver, Copper, Steel
Copper, Aluminium, Steel, Silver

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