Physics
What is the reason for formation of Mirage in desert?

Reflection of light
Both Refraction and Total internal reflection of light
Total internal reflection of light
Refraction of light

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
Above 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

ANSWER DOWNLOAD EXAMIANS APP