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 :



Related Questions - 1


Planets do not twinkle because


A) they emit light of a constant intensity
B) their distance from the earth does not change with time
C) they are very far away from the earth resulting in decrease in intensity of light
D) they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

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Related Questions - 2


If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same


A) velocity
B) momentum
C) acceleration
D) kinetic energy

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Light from the Sun reaches us in nearly


A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes

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Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

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Sound waves in air are


A) transverse
B) longitudinal
C) electromagnetic
D) polarised

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