Physics
Sprayer functions on

Pascal's law
Archemede's principle
Bernouli's principle
Floatation principle

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Physics
The Hooke's law is valid for

Elastic as well as plastic region of the stress strain curve
Entire elastic region of the stress strain curve
Entire stress strain curve
Only proportional region of the stress strain curve

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Physics
The law of conservation of energy states that

Energy can neither be created nor destroyed
Energy can either be created nor destroyed
Energy can neither be created or destroyed
Energy can either be created or destroyed

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