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Physics

Physics
Speed of sound is the greatest in :

Glycerine
Air
Glass
Water

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Physics
The SI unit of luminous emittance is :

Lux
Candela
Lumen
Lumen second

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Physics
An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:

6 units
600 units
0.6 units
60 units

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Physics
What is unit of Viscosity ?

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

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Physics
The atmospheric layer reflecting radio waves is called

Mesosphere
Stratosphere
Ozonosphere
Ionosphere

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Physics
The filament of electric bulb is made up of :

Lead
Nichrome
Copper
Tungsten

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MORE MCQ ON Physics

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