Physics
Rocket works on the principle of

Newton's Second Law
Newton's First Law
Archimedes Principle
Newton's Third Law

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP