Physics
ML2T-2 is the dimensional formula for

moment of inertia
pressure
couple acting on a body
elasticity

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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
It is easier for a man to swim in sea water, than in river water because

The sea is-deeper than the river
The density of sea water is lesser than the density of river water
The density of sea water is more than the density of river water
The sea is wider than the river

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