Physics, 21.09.2019 06:50, ThatStudent8769

Identify the magnetic north pole of earth's magnet

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As we know that magnetic field lines always originated out from the north pole of magnet and then terminate at south pole of the magnet

So here in order to find out the magnetic north pole we can say that magnetic field lines will originated out from that pole

In order to find out that part of earth from which magnetic field lines originated out we have to suspend a bar magnet freely in the air.

Now the south pole of bar magnet is always attracted towards the North pole of Earth magnetic field

So when We freely suspend the bar magnet then its south pole always shows the position of North pole of Earth magnetic field.

So we can say that the Geographic south position of Earth is the magnetic North pole of Earth

answered: Guest

quantum mechanics or quantum physics is physics of very small objects (particles) and physical entities.

quantum physics has some parallels to our macro world and some pretty unique ideas which theoretically and mathematically proven to be true even though we will never be able to access them because of our size.

there are many types of particles: subatomic, elementary etc.

subatomic means they are smaller than atom, elementary means they are at the very basis of everything.

subatomic particles are for eg. protons, neutrons but not electrons.

elementary particles are categorised into 3 groups by what they do.

these 3 groups are quarks, leptons and bosons.

light for example is a particle more precisely a photon a part of leptons.

proton (subatomic particle) is made out of 2 up quarks and 1 down quark each of these has a fractional charge like $\frac{1}{3}$ . (i crazy)

most famous scientist who contributed to this physics are:

max planckalbert einsteinerwin schrödingermany

the topic itself us understand a lot and will probably be vastly used in the future (quantum computers, understanding the big bang,

we also must not forget quantum effects like:

superposition (where 1 thing can be this and that at the same time),entanglement (where two particles are seemingly connected by some sort of unknown (or known) force, energy, matter (i know all that can be the same at least it was at the beginning)

and there is more. but probably too much for this answer to be consistent due to my average understanding of this topic.

hope this you understand quantum mechanics a little more. i'm not an expert in the topic (so don't be like wth if you are an expert) but i'm very interested in it.

anyways quantum physics is a very hard topic (harder than physics (perhaps)) therefore searching for every information there is about it and learning it is unfortunately impossible (you can only specialise into 1 - 3 things or more (perhaps

have fun and i wish you luck!

r3t40

answered: Guest

Try c ? that’s what i got
An object is located 5.0 cm from a convex lens. the lens focuses light at a distance of 10.0 cm. wha

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Identify the magnetic north pole of earth's magnet...