Physics
A dynamo is a device which

Converts electrical energy into mechanical energy
Converts mechanical energy into electrical energy
Creates mechanical energy
Creates electrical energy

ANSWER DOWNLOAD EXAMIANS APP

Physics
Rain drops fall from great height. Which among the following statements is true regarding it?

Their velocity increases and they fall with same velocity on the earth
Their velocity increases and they fall with different velocity on the earth
They fall with same ultimate velocity
They fall with that ultimate velocity, which are different for different droplets

ANSWER DOWNLOAD EXAMIANS APP