# Is NCERT enough for ray optics?

Spread the love

Yes, NCERT is enough to clear the concepts and is impprtant as most of 3 and 5 marks questions appear in the board exam from here.

Table of Contents

## What are the important topics in ray optics?

• Image formation by spherical mirrors.
• Image formation by spherical lenses.
• Power and combination of lenses.
• Total internal reflection.
• Natural phenomenon due to light (Definition and Numericals)
• Refraction through a Prism (Ray diagram, Numericals and Derivation)
• Eye.
• Microscope.

## Can I study wave optics without studying ray optics?

Both the chapters are important and can be studied pretty much independently. It’s up to you to start whichever you want. The norm though is studying ray optics first. And you should follow the same cause you might see some terms from ray ooptics being used in wave optics.

## What is the chapter number of ray optics class 12?

NCERT Solutions Class 12 Physics Chapter 9 Ray Optics and Optical Instruments.

## What is a ray in physics class 12?

1. Ray Optics or Geometrical Optics In this optics, the light is considered as a ray which travels in a straight line. It states that for each and every object, there is an image.

## Is class 12 physics tough?

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.

## 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.

## Can I skip wave optics for NEET?

It is set by the subject experts. And the most important point, do not skip the revision which helps you score better. 4. What is the legit preparation for the wave optics chapter in Physics for the NEET 2022?

## Is ray optics important for NEET?

The chapter on ray optics is particularly important for the NEET exams. It is one of the important chapters of Physics with an expected weightage of 5 per cent in the upcoming NEET 2022 exams.

## Is ray optics important for JEE?

Ray Optics Important Questions for JEE Advanced Ray optics is the main topic that will deal with one of the most important principles in the area of ray optics. The corpuscular model predicted that if the ray of light is bent towards the normal then the speed of light will be greater in the second medium.

## What should I study before ray optics?

• Reflection of Light.
• Mirror Formula.
• Refraction of Light.
• Lens.
• Total Internal Reflection.
• Deviation by a Prism.
• Dispersion by a Prism.
• Optical Instruments.

## What is the formula of lens formula?

Let’s see how to use lens formula (1/v-1/u= 1/f) to locate images without having to draw ray diagrams.

## What is Snell’s law class 12?

Snell’s law is defined as “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, for the light of a given colour and for the given pair of media”.

## What is a beam of light called?

Solution: The light traveling in any one direction in a straight line is called a ray of light. A group of light rays given out from a source is called a beam of light.

## What are the three types of optics?

• Optics is a branch of physics that deals with the behaviour and properties of light.
• – Geometrical optics – Physical optics – Quantum optics.
• Optics are useful in the study of the properties of visual, ultraviolet, and infrared light.
• Geometrical optics is a type of optics that studies light as a ray.

## 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?

1. Make sure you solve previous year Physics question papers.
2. You should prepare short notes of important derivations, practice diagrams (device, circuit etc.)
3. Students are advised to be attentive and careful while solving a question or problem.

## Does CBSE give grace marks?

According to CBSE exam bye-laws, a student can be granted five grace marks in one paper for a maximum of two papers in Classes IX and XI. Even then if a student fails, he or she can appear for compartment exam in one paper.

## What is the passing marks out of 35?

Passing marks out of 35 is 11.55.

## 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.”

## Which is the hardest chapter in class 12 Physics?

1. Heat and Thermodynamics. It is probably the most difficult yet one of the important topics for JEE Main Physics.
2. Mechanics. JEE Main Physics is not all about theory and equations.
3. Electrostatics and Magnetism.
4. Current Electricity.
5. Optics.
6. Modern Physics.
7. Electromagnetic Induction.

## Is CBSE enough for JEE?

The Central Board of Secondary Education (CBSE) uses the books designed by NCERT and the syllabus of JEE Mains is completely similar to the syllabus of CBSE (11th and 12th). This makes the NCERT books a perfect choice for the JEE Mains preparation.

## Can I crack JEE Mains with NCERT?

NCERT books explain all the topics in a more detailed way so that the students understand and perform well in the exam. JEE Main toppers and experts also recommend NCERT for JEE Main preparation. According to experts, studying NCERT is enough to qualify JEE Main.

## Is HC Verma enough for JEE Mains?

H.C. Verma is indeed a good book for JEE preparation and it contains an in-depth explanation of the topics. Candidates can use it to gain a deeper understanding of the concepts. However, for numerical and to practice solving problems, you can make use of additional books like D.C. Pandey, etc.

## Is NEET chemistry easy?

Candidates with a decent hold on the subject can easily score 100 to 120 marks in NEET. However, scoring above this in NEET Chemistry is tricky. To score above this threshold, one needs to have widespread knowledge of the subject. Read on to know how to study Chemistry for NEET 2022.