Physics
Which of the following branch of Physics deal with study of Atomic Nuclei?

Nuclear Physics
Bio Physics
Atomic Physics
None of these

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Physics
Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?

In summer, the polar front jet achieves its maximum force.
It is narrow band of high-velocity wind.
It follows the wave path near the tropopause at elevations of 8 km to 15 km.
Jet streams are typically continuous over long distances.

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Physics
A drop of liquid assumes spherical shape because:

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

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Physics
Pressure Cooker cooks faster because

Boiling point decreases with rise of pressure
It cooks the food at low pressure
Higher temperature is attained for cooking
The material of the cooker is a good conductor

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