Physics
If lift is going up with acceleration, the apparent weight of a body is

Equal to the true weight
More than the true weight
Less than the true weight
May be more or less than true weight

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Physics
Specific gravity is defined as the ratio of

Density of the substance to the density of water at 0°C
Density of the substance to the density of water
Density of water at 4°C to the density of the substance
Density of the substance to the density of water at 4°C

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