respected sir please tell me what is electromagnetism?

What is streamlined body and what is thermos flask ?

 what will happen if a force is apply on a rubber spring?

proved that the push is a force?

As per the scientest Delton, whether Atom is further divided?

What are the two metallic liguids are called ?

WHAT IS POTENTIAL ENERGY

What is an/a:

ECG machine,MRI?

what is the hipothesis?

What kind of potential does an atomic bomb have?

why does time move forwards or why do we move to the fiture but not past.is this point is related to the fact that universe is expanding?

what is thermodynamics?

What  is electromagnetism?

explain relative density

 what is the difference between hypothesis and law?

WHAT I HAVE TO WRITE IN THE ROLE OF PHYSICS IN DAILY LIFE?

What  is the importance of physics?

 Very nice chapter!