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surface tension of oil is much smaller than that of water
oil is more viscous
oil does not mix with water
oil is lighter than water
An optically plane surface reflects a beam of light
An ordinary clock loses time in summer. This is because
An under-excited synchronous motor draws current at
Anemometer is an instrument meant for measuring _
Anemometer is used to measure
Angle of friction & angle of repose are
Angular separation between two colours of the spectrum depends upon
Any body kept in a fluid experiences an upward force called
As a spaceship moves from a higher to a lower orbit, its speed
As the train starts moving, a man sitting inside leans backwards because of