Physics
Parabolic mirrors are used in

Driving mirrors
Shaving mirros
Dentists mirros
Car headlights

ANSWER DOWNLOAD EXAMIANS APP

Physics
Why does bleeding occur through the nose in high mountainous regions ?

The blood pressure of a person increases at high altitudes
The pressure at high altitudes is greater than that on the plains
The blood pressure fluctuates and finally decreases drastically
The pressure of blood in capillaries is greater than the outside pressure

ANSWER DOWNLOAD EXAMIANS APP