Courses
Courses for Kids
Free study material
Offline Centres
More
Store

# NEET Wave Optics Important Questions

Last updated date: 06th Sep 2024
Total views: 492k
Views today: 5.92k

## NEET Important Questions Wave Optics

NEET Wave Optics Important Questions are given in this study in the form of a free pdf. The NEET aspirants can refer to this study guide, which will help them know about the important questions and topics from the chapter ‘Wave Optics’ of Physics.

Also, you can check the chapter-wise weightage of the Physics syllabus where you will get to know which chapters to focus on priorly and which chapters can be studied later, and thus fix the priority accordingly.

## NEET Important Questions - Wave Optics (Salient Features)

Following are some of the salient features of the free pdf which will help the students to study the free pdf of Important questions from the chapter Optic Waves:

• The students who are targeting the NEET exam should prepare for all the important chapters of the NEET syllabus including (the chapter  ‘Wave Optics’) to secure the highest marks in NEET 2023.

• The important questions for NEET 2023 designed by Vedantu are one of the most reliable study materials as it covers all the important chapters which are in the syllabus. The same is being done with the important chapter of Physics - Wave Optics.

• Also, these important questions are prepared by analysing the previous years' question papers & considering the weightage of each chapter in the syllabus.

• These important questions are prepared by our academic experts based on the syllabus guidelines prescribed by MCI.

Find all the NEET Physics important questions from the chapter  Wave Optics with solutions to perform better in the exam here. Download the NEET physics -  Wave Optics important questions PDF for free to score better.

## Topics of Wave Optics:

### 1. Wavefront and Huygens Principle:

Wavefronts are surfaces that connect in-phase points on a wave, aiding our understanding of wave propagation. Huygens' principle complements this by suggesting that each point on a wavefront acts as a secondary source, emitting spherical wavelets that combine to form a new wavefront.

### 2. Reflection and Refraction of a Plane Wave on a Plane Surface Using Wavefront:

When wavefronts encounter reflecting or refracting surfaces, Huygen's principle plays a pivotal role. It asserts that each point on a wavefront becomes a secondary source, emitting spherical wavelets. These wavelets combine to form a new wavefront after reflection or refraction. This process is crucial for predicting how light behaves at interfaces, providing vital insights into the phenomena of reflection and refraction.

### 3. Proof of Laws of Reflection and Refraction Using Huygens Principle:

In the context of reflection, it explains that each point on an incident wavefront acts as a secondary source, emitting spherical wavelets that collectively form the reflected wavefront. When applied to refraction, it clarifies how wavefronts bend when entering a different medium. By analyzing the specific geometry of these wavelets, we can deduce the laws of reflection and refraction.

### 4. Interference:

Interference, a captivating phenomenon, occurs when waves overlap, resulting in constructive and destructive interference. Constructive interference aligns waves in phase, creating bright fringes with maximum intensity. Conversely, destructive interference arises when waves are out of phase, leading to dark fringes of minimum intensity. Interference is crucial in understanding light's behavior, shedding light on patterns observed in double-slit experiments and thin film interference.

### 5. Young’s Double Hole Experiment and Expression for Fringe Width:

Young's double-slit experiment showcases wave interference with a screen containing closely spaced slits. The equation for fringe width (W) in this experiment is W = λD / d, where λ is the wavelength of light, D is the distance between the double slits and the screen, and d is the separation between the slits. This equation highlights that fringe width depends on the wavelength and the distance between the screen and slits, inversely related to the slit separation.

### 6. Coherent Sources and Sustained Interference of Light:

Coherent sources are essential for wave interference. They emit waves with the same frequency and a constant phase difference, maintaining a stable phase relationship. Lasers and filtered light sources are commonly used to achieve coherence. When these waves overlap, they create interference patterns, as seen in experiments like Young's double-slit.

### 7. Diffraction Due to Single Slit:

Wave diffraction through a narrow slit unveils the wave nature of light and other waves. Unlike a sharp image, the wave spreads, creating a distinctive pattern of alternating bright and dark regions. This pattern features a central maximum along with multiple smaller side maxima and minima. The width of these maxima and minima is directly related to the width of the slit and the wavelength of the wave.

### 8. Width of Central Maximum:

The central maximum in a diffraction pattern, formed when a wave-like light passes through a narrow slit, depends on two factors: the wavelength of the wave (λ) and the width of the slit (a). This relationship is expressed as:

$w ≈ \dfrac{2\lambda}{a}$

The formula indicates that the central maximum narrows with a shorter wavelength or a wider slit.

### 9. Resolving Power of Microscopes and Astronomical Telescopes:

Resolving power, essential in microscopy and astronomy, measures an optical instrument's ability to distinguish closely spaced objects. It's defined by the Rayleigh criterion as $R = 1.22 \left(\dfrac{\lambda}{D}\right)$, where λ is the wavelength of light, and D is the diameter of the objective lens or mirror. Higher resolving power is achieved with smaller λ or larger D values. In astronomy, it helps differentiate distant celestial bodies like stars and galaxies, while in microscopy, it enables detailed observation of small specimens, emphasizing its fundamental significance in wave optics.

### 10. Polarization:

Polarized light waves exhibit a distinct vibration direction, whether vertical, horizontal, or at an intermediate angle. This property finds widespread applications, from reducing glare in sunglasses to enhancing 3D movie viewing and facilitating precise measurements with devices like polarimeters.

### 11. Plane Polarized Light; Brewster’s Law:

Plane-polarized light has its electric field vibrations confined to a single plane, enabling applications like glare reduction and improved display quality. Brewster's Law, an integral concept, dictates that at the Brewster angle, light striking a transparent medium becomes fully polarized. This principle is pivotal in optics, aiding in the design of anti-glare coatings and polarizing filters for optical instruments.

### 12. Uses of Plane-polarized Light and Polaroids:

Plane-polarized light and polarizers are crucial in various applications:

1. Glare Reduction: Polarized sunglasses reduce glare from water, roads, and windows, improving outdoor safety.

2. 3D Entertainment: They create the 3D effect in cinema and TV, enhancing immersion.

3. Analytical Chemistry: Polarimeters determine substance concentration in pharmaceuticals and chemistry.

4. Material Testing: Polarized light helps study stress patterns and structures in transparent materials, aiding research and quality control.

5. LCD Displays: Polarizers control light intensity and orientation in modern displays, from smartphones to TVs.

Competitive Exams after 12th Science

## NEET Optic Waves Important Questions - Some (Extra) Important Questions

Study the following questions and answer them accordingly:

1. Which phenomenon is explained by Huygens construction of the wavefront?

2. The Phenomenon of Polarisation explains which nature of light?

3. What is the difference between a refracted blue light and diffracted red light?

4. What is the name of the rate at which the light travels in free space?

5. Name the type of Wave Optics.

Hope you were able to solve these questions, if not then go back to the conceptual study of the chapter Wave Optics Class 12 Notes CBSE Physics Chapter 10 (Free PDF Download). You can also refer to the NCERT Solutions for Class 12 Physics Chapter 10 Wave Optics PDF: Free Download in order to check the NCERT Solutions of the same chapter.

## Important Questions of Optics Waves (Physics) - How Vedantu Helps the NEET Aspirants?

Students can refer to the Vedantu website to get the study materials like:

## What are the Methods to Score Better?

To get high marks, students must prepare for the important questions from every chapter. The NEET 2023 will be of high competition because most of the students would want to get into the medical field. There will be heavy competition and it is mandatory for the students to have the proper focus. You can follow the following suggestion in order to score good marks:

• The syllabus is given on the Vedantu website. The syllabus is updated to the latest syllabus and it also follows all the guidelines set by the MCI, so students can download the syllabus for NEET 2023 for free on the Vedantu website.

• Use all the free resources by Vedantu in order to score maximum marks in your NEET exams.

• Take note of the syllabus and chapter weightage and study the important chapter with maximum marks well.

• The students are also suggested to take up the mock tests before the exams which will guarantee good preparation for the NEET exam.

## NEET Physics Chapter-Wise Weightage of Marks

 Chapter Name No. of Questions Weightage Unit and Measurements 1 2.0% Mathematical Tools 1 2.0% Motion in a Straight Line 1 2.0% Electric Charges and Fields 1 2.0% Motion in a Plane 1 2.0% Electrostatic Potential and Capacitance 1 2.0% Current Electricity 3 6.0% Laws of Motion 3 7.0% Moving Charges and Magnetism 3 6.0% Work,Energy and Power 2 4.0% Magnetism and Matter 1 2.0% Electromagnetic Induction 1 2.0% Systems of Particles and Rotational Motion 1 1.0% Alternating Current 1 3.0% Electromagnetic Waves 1 1.0% Ray Optics and Optical Instruments 3 5.0% Gravitation 2 3.0% Wave Optics 2 4.0% Mechanical Properties of Solids 1 1.5% Mechanical Properties of Fluids 1 1.5% Dual Nature of Radiation and Matter 2 4.0% Structure of Atoms 1 2.5% Nuclei 1 2.5% Oscillations and Waves 3 7.0% Thermal Properties of Matter 1 2.0% Thermodynamics 3 7.0% Kinetic Theory of Gases 1 2.0% Communication Systems 2 4.0%

Wave optics is one of the important chapters for the NEET 2023 exam. A lot of questions are expected from this chapter. So, students must be thorough in this chapter. The important questions are the expected questions from this chapter. Since this has a higher weightage, students must learn the important questions. From the Vedantu website, students can download the PDFs for free which are vital for their preparation.

ALL THE BEST for the exams!! With proper preparation, students can score high marks. Download the materials for free on the Vedantu website.

### Other Important Links Related to NEET Physics Wave Optics

 Other Important Links for NEET Physics Wave Optics NEET Physics Wave Optics Important Concepts NEET Physics Wave Optics Notes

## Conclusion

We've explored the depths of NEET Wave Optics Important Questions by Vedantu, shedding light on its core concepts, formulas, and real-world applications. To succeed in the NEET 2024 exam, students should move beyond theory and engage actively. This means working through numerous practice problems, enhancing problem-solving skills, and strengthening their understanding. By focusing on practical application, students can confidently approach the exam, establishing a robust foundation in Wave Optics and securing top grades. This comprehensive approach is tailored to NEET Wave Optics, Important Questions, providing the tools for success in exam preparation.

## FAQs on NEET Wave Optics Important Questions

1. How are NEET Important Questions Wave Optics useful for the NEET 2023 exam?

The important questions are mandatory for the students to prepare for the examination. It is important to know all the different types of questions that are possibly expected in the NEET exam 2023. The important questions given on the Vedantu website gives you knowledge about how to approach the question and how to answer them. The important questions are set up by the subject experts and the team Vedantu who have extensive years of experience. So these are the closest to the examination.

2. Where Can I get the NEET Important Questions Wave Optics for the NEET exam?

Students can get all the resources that are needed to crack the NEET exams on the internet. To avail of more reliable materials, you can reach out to the Vedantu website. It provides materials like the updated syllabus which follows all the rules of the MCI board, the important questions for the wave optics chapter, the mock tests and the sample papers of the previous year. All of these are available for free to download. There is also a doubt clarification session for the students. You can register online and have a one-on-one session with the subject expert.

3. What should be the proper plan to prepare for NEET 2023?

We all know, students need a proper plan to prepare for the NEET examination. The proper plan includes the entire study plan. The entire study plan is the updated syllabus which follows the guideline set by the MCI members, the preparation of the important questions and practice with the mock tests and sample question papers. 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 2023?

Certainly yes, the NEET exam in 2023 will be comparatively tough. This is because of the number of students that are going to appear for the examination. There are a number of lakhs of students who appear for the NEET exam in 2023. There are many students that are aspiring to get into the medical field. This is the whole reason for the toughness. Because the number of students is increasing, the level of toughness will be high. However, if you have the right preparation, you can still crack the exams easily.

5. How can I pass the NEET exam 2023 and How does Vedantu help in scoring high marks?

To pass the NEET exam 2023, you should aim higher. The total marks will be 720 for the three hours time period. And we know that competition is already high for the 2023 NEET exam. Students must aim to score more than 600 in the exam. Every right answer will fetch you 4 marks and every wrong answer will deduct 1 mark. Since there is negative marking, students must have intense preparation and must be very careful while answering. Proper preparation with hard work will help you score good marks. Vedantu will help you by providing you with relevant study material for each subject and topic so as to make it easier for you to find everything at one place.