Question :

Siphon will fail to work if

A) the densities of the liquid in the two vessels are equal
B) the level of the liquid in the two vessels are at the same height
C) both its limbs are of unequal length
D) the temperature of the liquids in the two vessels are the same

Answer : B

Description :

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Nuclear sizes are expressed in a unit named.

A) Fermi
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C) newton
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Metals are good conductors of electricity because

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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

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It is easier to roll a stone up a sloping road than to lift it vertical upwards because

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