Physics
A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?

Great circle
Parabolic
Hyper–parabolic
Circle

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Physics
A drop of liquid assumes spherical shape because:

Inter molecular forces are weak in liquids
A sphere has the least surface area for a given volume
A sphere has the largest surface area for a given volume
Intermolecular forces are strong in liquids

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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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