electric flux, property of an electric field that may be thought of as the number of electric lines of force (or electric field lines) that intersect a given area. Electric field lines are considered to originate on positive electric charges and to terminate on negative charges.
Which is most important question in physics?
- 1 – The origin of the Universe:
- 2 – The nature of Dark Matter:
- 3 – The nature of Dark Energy:
- 4 – The formation of structures in the Universe:
- 5 – The validity of General Relativity:
- 6 – The validity of Quantum Mechanics:
Which chapter is most important in physics class 12?
- UNIT 1: Electrostatics.
- UNIT 2: Electricity in Use.
- UNIT 3: Magnetic Effects of Current and Magnetism.
- UNIT 4 Electromagnetic Induction and Alternating Current.
- UNIT 5: Electromagnetic waves.
- UNIT 6: Optics.
- UNIT 7: Radiation and Matter Have a Dual Nature.
What is physics in one mark questions?
Physics is branchof science which delas with the physical quantities and matter around us.
What is electric field Class 12?
Electric field can be considered as an electric property associated with each point in the space where a charge is present in any form. An electric field is also described as the electric force per unit charge. The formula of electric field is given as; E = F /Q.
Is Class 12 physics difficult?
Most of the students find the Class 12 Physics subject difficult. This is also due to the vast syllabus and derivations that are there in both parts of the NCERT class 12 Physics book.
How do you score full marks in physics?
Is Term 2 physics easy?
As per the reactions received from the students, the Physics Class 12th Term-II paper was easy. There was nothing out of the syllabus. Many questions were straight from NCERT Books.
Which is the most difficult chapter in class 12 physics?
SHM, WAVES ( ELECTROMAGNETIC WAVES) , MODERN PHYSICS AND EMI are toughest topics in physics because it’s little bit hard to imagine these concepts in head.
Which is the easiest chapter in physics?
Ans: Yes, Wave Optics is comparatively an easy chapter in Physics.
What is the most difficult question in physics?
Quantum Gravity The biggest unsolved problem in fundamental physics is how gravity and the quantum will be made to coexist within the same theory. Quantum Gravity  is required to make the whole of physics logically consistent.
What are the basic questions of physics?
- Who invented the spinning cup anemometer?
- The minimum amount of energy required to remove the most loosely bonded electron is called as?
- Who was the first person to design models of flying machine?
What is SI unit of electric field?
The SI unit of the electric field is volts per metre (V/m). This unit is equivalent to Newton’s per coulomb. These are derived units where Newton is a unit of force and Coulomb is the unit of charge.
What is Gauss’s law class 12?
Gauss Law states that the total electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity. The electric flux in an area is defined as the electric field multiplied by the area of the surface projected in a plane and perpendicular to the field.
Is 12th easier than 11th?
Hi 11th standard is comparatively tougher than 12th. so before starting 11th class go through the basics and formulas related to 11th class and try to solve questions of math, physics, chemistry from NCERT book.
How can I study physics in 10 days?
- Make sure you solve previous year Physics question papers.
- You should prepare short notes of important derivations, practice diagrams (device, circuit etc.)
- Students are advised to be attentive and careful while solving a question or problem.
Is physics harder than chemistry?
Physics is considered comparatively harder than chemistry and various other disciplines such as psychology, geology, biology, astronomy, computer science, and biochemistry. It is deemed difficult compared to other fields because the variety of abstract concepts and the level of maths in physics is incomparable.
Can I skip physics for NEET?
You must not skip preparing for Physics for the NEET exam. In NEET, Physics makes up 25% of the exam. 50% is for Biology, and the other 25% is from Chemistry.
Is 12th Chemistry easy?
Students who appeared for the Central Board of Secondary Education (CBSE) 12th Chemistry paper said it to be easy and high scoring. Most of the questions were from the syllabus, students informed. The 35 marks exam was taken by the students in two hours.
How can I study for physics in one night?
- Make a list of important terms, concepts, and ideas.
- Look for summaries in the textbook.
- Make more notes as you go.
- Make use of mind maps, charts, and graphs.
- Teach a friend.
- Review your important terms lists.
- Study out of order.
- Take practice tests.
Is Term 2 weightage more?
“Majority of the members of the committee recommended that the weightage for the Term I (theory) should be around 30 per cent and for Term II (theory) 70 per cent respectively. As far as practical is concerned, equal weightage be given to Term I and Term II.”
Is class 12 maths tough?
Ans: CBSE Class 12 Maths is not that tough if you learn shortcuts, get conceptual clarity and resolve your doubts on time. Practice as many sample papers as possible and solve previous year’s question papers.
Is CBSE 12th exam easy?
The questions were easy to moderate in terms of difficulty. The questions were based entirely on the topics covered in the CBSE syllabus. The reading and literary sections were simple, while the writing section had a few tricky questions. The majority of the students completed it on time.
Which subject is toughest in 12th?
Physics is difficult in science side and for commerce business studies is difficult. It depends on you and your interest. But in all, maths can be said to be the toughest of all.
Can I leave Physics in JEE mains?
You should know that in making of rank Maths is given highest weightage after that Physics and at last Chemistry. So leaving any subject at all is foolish decision. You do not know exact pattern what will happen if Maths paper will be too tough. You have left Physics and You will not be able to do maths too.