Physics
What is the range of masses involved in the study of Physics?

10-19 kg to 1055 kg
10-19 kg to 1038 kg
10-30 kg to 1055 kg
10-30 kg to 1030 kg

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Physics
Specific gravity is defined as the ratio of

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

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