Top Ten Hardest Physics Topics

Physics is number one my best things to learn. But, there's something that you may fed up when you learn them.
The Top Ten
1 Quantum Mechanics

Well, Niels Bohr said that anyone who is not shocked by quantum theory has not understood it. Quantum Mechanics are fascinating, but I know that even the greatest of minds see it as hard. I love Quantum Mechanics from Heisenberg to Schroedinger.

I love physics but to say some of it's laws are just too much hard. Best example is quantum mechanics. Just make your mind tiny to understand it. It's okay to say that it's very interesting topic.

Quantum physics is the most tough physics ever than second comes work , force , pressure and energy and third comes motion...

Ok, here's a tip of mine of grasping QM: You don't have to use common sense to grasp it, it deceives you; You have to make your mind flow on thin paper.

2 Electromagnetism

Classical mechanics and fluid mechanics were pretty interesting compared to this; electromagnetism can get quite monotonous involving all kinds of directions and lengthy calculations which we did without a calculator, it just made sure that we don't find this interesting.

It took time and patience to learn this properly, and even then, I'm confused when to use the Left-Hand Rule, and when to use the Right-Hand Rule. But it's more interesting than any other topic, definitely.

EM is the basis of almost everything, yet there are not too many good professors who can teach it in an intuitive manner. So definitely the hardest topic, hands down!

First test that I failed in engineering, congrats electromagnetism.

3 Projectile Motion

Projectile motion, while being one of the first things students learn in physics, is actually one of the most difficult to grasp and enigmatic entities in the entirety of physics. Richard Feynman once said, "Projectile motion. A topic of immense importance and of utter confusion. If you throw a ball with a known initial velocity, and you know something about the medium it travels through as well as gravity, you can know exactly where it will land. How in the world does this work? It is enigmatic". The true mysteries of projectile motion are still yet to be discovered and can only be postulated as of today's research.

I struggled so much with projectile motion. I think it must be one of the hardest things besides Newton's First Law. Maxwell's Equations were wicked easy though, I don't understand why we don't start with those.

Projectile motion is not hard, its fairly easy. I would say quantum mechanics is the hardest

You guys must be kidding, any regular physics student can eat this, by looking at the other topics I can say that the one who made this list is a kid

4 String Theory

I don't think this needs a description, it is notoriously difficult. It is definitely more complex and difficult than any others on this list.

One of the most specialist areas in all of Physics. Most of Physics, nailed it and love it, but String Theory just drives me this way and that! But it's still awesome, despite the fact that it's entirely mathematical and isn't tested yet.

How does this not top the list, the amount of mathematical rigur needed to even begin understanding this is at a master's or PhD level in theoretical or mathematical physics, this is completely outside the learning experience even for people who study pure physics.

You need to master Quantum Mechanics before even think to start into string theory, and even then, is very hard to fully understand it.

5 Electronics
6 General Relativity

Indeed Einstein's field equations are difficult to understand. I will just say that it's not even included in the mandatory part of a regular Physic's degree (Special relativity is) because to grasp the noumerous concepts it contains you require many other advanced subjects first (tensor calculus, partial differential equations (these come after ordinary differencial equations, special relativity, and also a very good undestanding of waves (ie armonic oscillators and vibrations, electromagnetism, optics). So you may understand Wikipedia's General relativity website, but to fully comprehend the equations and their implications is another story.

It is a very interesting topic to learn, but also very confusing at times, the hardest of any other theory of relativity. I don't think you can learn it just by reading, you need to see what happens with animations just to get a glimpse of what's happening, unlike many different topics in physics.

Very hard to grasp

7 Relative Velocity

This topic has always made me suffer in physics. Rest of all the topis mentioned are quite easy. This is not a topic in modern physics. Slope problems are damn easy

8 Radiation

It's actually not difficult, if you love the amazing world of physics.. then it's certainly not ( trust me it's great )

It is interesting

9 Force

The interaction between objects is known as force. It may be push or pull ( it depends on the nature of interacting objects)

Who put this thing in here? It is elementary level Physics.

10 Rocket Science

Rocket science is very hard!

U know the saying .

The Contenders
11 Black Holes

What you need is fantasy and patience. If you have these you are in good way.

Fascinating young topic

Just think about it...

12 Thermodynamics

Like I will argue this one is as hard as QM. But the equations aren't that hard, thankfully. Still failed this stuff

The first law is wrong

13 Motions
14 Dark Energy

Why it can't be on top while it can't be find out.

Waste of reading time

15 Astronomy

So much out there that even college can't cover it all. It's something so amazing if enjoyed and studied well, but it can be tricky!

16 Classical Mechanics
17 Special Relativity

What's the meaning

18 Pressure
19 Electricity

Go to hell kirchoff with your laws...I can't even identify a wheatstone bridge and tomorrow's my physics exam...I'm gonna fail...I guesss!

Just understand the concept.
It is the best branch

Actually this is vast yet very easy if you use the Laws in a practical manner like Maxwells laws,Flemings law,Ohms law etc.First understand the concept android try it practically it will sink in your brain.

20 Chaos Theory
21 Simple Harmonic Motion

Once understood. Nothing can stop you

22 Cosmology
23 Waves

They are a bit difficult

24 Virtual Particles
25 Statistical Mechanics
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