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Physics

Physics
Speed of sound is the greatest in :

Air
Glycerine
Glass
Water

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Physics
Even after sunset, the air near the Earth's surface continue to receive heat due to

Conduction
Insolation
Convection
Terrestrial Radiation

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Physics
Water from soil enters into the root hairs owing to :

Atmospheric pressure
Capillary pressure
Root pressure
Osmotic pressure

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Physics
The colour of the ocean appears to be blue because the sunlight falling on it is

Scattered
Reflected
Diffracted
Refracted

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Physics
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

1.4 km/s
0.14 m/s
14 m/s
140 m/s

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Physics
The impurity atoms with which silicon should be doped to make p-type semiconductors are

Antimony
Germanium
Boron
Phosphorus

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MORE MCQ ON Physics

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