Physics
The dimensional formula ML–1T–2 corresponds to

Moment of a force
Viscosity
Modulus of elasticity
Thrust

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Physics
The sky appears blue because

All colours interfere to produce blue
In white light, the blue component dominates
It is actually blue
The atmosphere scatters blue colour more than the others

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Physics
Which of the following is not a property of heavy water ?

Density of heavy water is higher than that of ordinary water
Boiling point of heavy water is lower than that or ordinary water
Freezing point of heavy water is higher than that of ordinary water
It produces corrosion

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