Physics
Gamma rays are emitions that have

Neither mass nor charge
Charge but no mass
Mass but no charge
Both mass and charge

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is

Below a certain minimum value irrespective of amount of water in the pail
Below a certain minimum value depending on amount of water in the pail
Above a certain minimum value depending on amount of water in the pail
Above a certain minimum value irrespective of amount of water in the pail

ANSWER DOWNLOAD EXAMIANS APP