Basic General Knowledge
When light passes from air into glass it experiences change of

wavelength and speed
frequency, wavelength and speed
frequency and wavelength
frequency and speed

ANSWER DOWNLOAD EXAMIANS APP

Basic General Knowledge
What is the function of a dynamo?

To convert light energy into heat energy
To convert mechanical energy into electrical energy
To convert electrical energy into mechanical energy
To convert heat energy into light energy

ANSWER DOWNLOAD EXAMIANS APP