Physics
What is the unit of the physical quantity Entropy?

Watt per kelvin
Joule per kelvin
Pascal per kelvin
Newton per kelvin

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
The velocity of sound in air

Increases with decrease of temperature
Does not depend on temperature
Decreases with increase of temperature
Decreases with decrease of temperature

ANSWER DOWNLOAD EXAMIANS APP