They are all valid actually since modern physics is more on Astrophysics Physical Chemistry and Bio Physics and Geophysics while Classical physics is more on Mechanics, optics, thermodynamics and waves ;D
Einsteins laws are the most complex laws ever made but do not match with quantum physics they are still really valid though
Nothing would exist, physics is responsible for matter taking shape. If there was no physics, the atomic make-up of all matter would break apart and the universe would itself would probably do the same.
The law of conservation of energy states: "Energy can neither be created or destroyed, only changed in form." Energy transformation is changing it's form. Note: This law only holds in Newtonian physics. I Einsteinian physics is isn't valid.
Yes it is valid. The atom bomb proves that E=mc2 is valid.
That depends what you mean with "disappear". If you burn something, it might "disappear" in a sense. But it really gets converted to something else - and the smoke etc., plus the heat energy, have exactly the same mass (measured in kilograms, or pounds) as the original substances. So, basically, the "law of conservation of mass" is taken to be valid, and the answer is "no".
becauze classical stastical does not obey pouli principle and in clasica physics particles are distinguishable , non interacting, identical in nature and are in thermal equilibrium as well.
yes
Einsteins laws are the most complex laws ever made but do not match with quantum physics they are still really valid though
never
Nothing would exist, physics is responsible for matter taking shape. If there was no physics, the atomic make-up of all matter would break apart and the universe would itself would probably do the same.
That would be quite a radical change; many other laws of physics we are accustomed to would then no longer be valid, either.
religious beliefs and social structures are closely related
You can compare this with English usage. I can say to you, "Jeet yet?" and you would probably understand me to mean, "Did you eat yet?" One of these sentences is valid English, the other is questionable. In the same way you can write valid XML and you can write XML with numerous imperfections. Many XML language processors are capable of understanding both. However, it's safer to write valid XML.
Most equations in physics are never true. All that can be done is to find more an more evidence in support of the equation. However, it is always possible that there is an as-yet-unknown factor which changes all the equations. this is what happened to Newtonian physics as a result of Einstein's work.
Viagra is not a over the counter medicine. It can be purchased from pharmacies with a valid prescription of modern medicine doctor only.
Not really, the better expiriment would be if you used both sides of t he penny and compare all of your trials.
Not at all. Engineering majors prefer more concrete applications of mathematics and physics, as compared to mathematicians and physicists who may be more interested in abstract thought, but both of these are equally valid and require equal intelligence to be done at a high level of accomplishment.