Physics
Out of the following, which is not emitted by radioactive substance?

Neutrons
Electromagnetic radiations
Electrons
Alpha particles

ANSWER DOWNLOAD EXAMIANS APP

Physics
Why are we able to hear short wave broadcasts better than long wave broadcasts ?

Short waves are more energetic than long waves.
Short wave broadcasts are made by nearby radio stations.
Short waves are unaffected by atmospheric disturbances.
By convention, short waves are meant for long distances, whereas long waves are reserved for short distances.

ANSWER DOWNLOAD EXAMIANS APP

Physics
Pressure Cooker cooks faster because

Boiling point decreases with rise of pressure
It cooks the food at low pressure
The material of the cooker is a good conductor
Higher temperature is attained for cooking

ANSWER DOWNLOAD EXAMIANS APP