Physics
Light scattering takes place in

Electrolyte solutions
Acidic solutions
Colloidal solutions
Basic solutions

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Physics
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

at sea level
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
at the top of Mt. Everest
at a place in a valley below sea level

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Physics
In the gamma decay of a nucleus

The mass number of the nucleus changes whereas its atomic number does not change
Neither the mass number nor the atomic number of the nucleus changes
The mass number of the nucleus does not change whereas its atomic number changes
Both the mass number and the atomic number of the nucleus change

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