Physics
A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ?

3 metres
4 metres
2 metres
1 metre

ANSWER DOWNLOAD EXAMIANS APP

Physics
A dynamo is used to convert

Mechanical energy into electrical energy
Electrical energy into magnetic energy
Magnetic energy into mechanical energy
Electrical energy into mechanical energy

ANSWER DOWNLOAD EXAMIANS APP