Physics
The mass defect is the result of what action occurring?

Mass being converted to energy when protons and neutrons bind together in a nucleus
Protons and electrons being attracted to each other
Energy being converted into moles of atoms when neutrons break apart protons
Mass being converted to energy when protons and neutrons break apart in a nucleus

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Physics
The nature of fuse wire is

Low resistance and high melting point.
Low resistance and low melting point.
High resistance and low melting point.
High resistance and high melting point.

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Physics
Specific gravity is defined as the ratio of

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

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