Introduction
Welcome to Bhautik Study free Class 12 Physics Practice Paper Chapter 9 – Ray Optics and Optical Instruments. This practice paper is specially designed for students preparing for CBSE, JEE, and NEET exams, helping you strengthen your concepts in reflection, refraction, lens and mirror formulae, magnification, and optical instruments like microscopes and telescopes.
By solving this Class 12 Physics Practice Paper Chapter 9, you can improve your problem-solving speed, accuracy, and confidence in numerical and conceptual questions. Our paper follows the latest NCERT syllabus and includes carefully curated questions that frequently appear in board exams and competitive tests.
Download the Class 12 Physics Practice Paper Chapter 9 now and take the first step towards mastering Ray Optics and Optical Instruments with Bhautik Study.
📖 Preview – Class 12 Physics Chapter 9 Practice Paper
Before downloading, you can preview the first few pages of the practice paper below. This helps you get an idea of the type and level of questions included in the PDF.
👉 For the full paper, Download the Complete PDF Here.
Importance of Chapter 9 – Ray Optics and Optical Instruments
Chapter 9, Ray Optics and Optical Instruments, is a crucial part of Class 12 Physics because it bridges fundamental concepts of light with practical applications in daily life and technology. Understanding this chapter is important for the following reasons:
Foundation of Light Behavior:
Explains how light travels, reflects, and refracts.
Introduces fundamental laws like reflection, refraction, and Snell’s law, which are essential for solving numerical and theoretical problems.
Understanding Optical Instruments:
Covers devices such as microscopes, telescopes, cameras, and the human eye.
Helps students understand how lenses and mirrors are used to magnify or focus light.
Practical Applications in Daily Life:
Explains natural phenomena like rainbows, mirages, and apparent bending of objects in water.
Teaches principles used in corrective lenses, projectors, and scientific instruments.
Competitive Exam Advantage:
Concepts from this chapter appear frequently in board exams, IIT JEE, NEET, and other competitive exams.
Enhances problem-solving skills with diagrams, ray tracing, and derivations.
Foundation for Advanced Physics:
Prepares students for wave optics, modern physics, and photonic technologies in higher studies.
At Bhautik Study, we focus on making Ray Optics simple and interesting through clear explanations, illustrative diagrams, and practical examples. Mastery of this chapter ensures a strong conceptual understanding and boosts exam confidence.
Learn Smart. Learn Fast. Learn with Bhautik Study.
Why Practice Chapter 9 Thoroughly?
Chapter 9, Ray Optics and Optical Instruments, is not just theoretical—it requires conceptual clarity and regular practice. Here’s why practicing this chapter thoroughly is important:
Mastery of Fundamental Concepts:
Laws of reflection, refraction, and lens/mirror formulas need repeated practice to understand their applications.
Ray diagrams become easier to draw and interpret with practice.
Problem-Solving Skills:
Many numerical problems in exams are based on lens formula, mirror formula, magnification, and refraction at interfaces.
Practicing helps in applying formulas correctly and improving speed.
Visual Understanding of Light Behavior:
Drawing and analyzing ray diagrams reinforces the behavior of light in different situations.
Helps in visualizing concepts like image formation, multiple lens systems, and optical instruments.
Exam Readiness:
This chapter is high-scoring and appears frequently in board and competitive exams.
Practicing ensures that you can solve questions confidently under exam conditions.
Builds Foundation for Advanced Topics:
Strong practice in ray optics prepares you for wave optics, fiber optics, and modern optical technologies in higher studies.
At Bhautik Study, we emphasize practice with understanding, offering examples, solved diagrams, and conceptual exercises so that students gain confidence and mastery over Chapter 9.
Practice Smart. Practice Regularly. Excel with Bhautik Study.
Detailed Syllabus Breakdown
1. Introduction to Ray Optics
Definition and scope of geometrical optics
Concept of light ray and beam of light
Rectilinear propagation of light
Significance of studying ray optics in practical life
2. Reflection of Light
Laws of reflection
Reflection by plane mirrors
Spherical mirrors: concave and convex mirrors
Mirror formula: 1f=1u+1v\frac{1}{f} = \frac{1}{u} + \frac{1}{v}
Magnification: m=hiho=−vum = \frac{h_i}{h_o} = -\frac{v}{u}
Image formation and ray diagrams
3. Refraction of Light
Laws of refraction
Refractive index of a medium
Snell’s Law: n1sini=n2sinrn_1 \sin i = n_2 \sin r
Total Internal Reflection (TIR) and critical angle
Applications of TIR: optical fibers, periscopes, and prisms
4. Lenses
Convex and concave lenses
Lens formula: 1f=1v−1u\frac{1}{f} = \frac{1}{v} – \frac{1}{u}
Magnification and image formation
Combination of lenses (successive lens systems)
Lens defects (chromatic and spherical aberration)
5. Optical Instruments
Human Eye: Structure, defects, and corrections (myopia, hypermetropia, presbyopia)
Microscope: Simple and compound microscopes, magnification
Telescope: Refracting and reflecting telescopes, magnification
Camera: Basic working principle
6. Refraction at Spherical Surfaces
Refraction formula for spherical surfaces: n1v−n2u=n1−n2R\frac{n_1}{v} – \frac{n_2}{u} = \frac{n_1 – n_2}{R}
Sign conventions for mirrors and lenses
Practical examples and problem-solving
7. Numerical Problems and Ray Diagrams
Solving mirror and lens formula problems
Ray diagram practice for concave/convex mirrors, convex/concave lenses
Image formation exercises for multiple lens systems
8. Applications of Ray Optics
Optical instruments in daily life
Practical applications of reflection, refraction, and TIR
Medical, astronomical, and photography applications
Highlights of the PDF
✔ NCERT-based questions with detailed coverage
✔ Derivations and formula-based numerical problems
✔ Includes previous year CBSE + JEE/NEET questions
✔ Combination of MCQs, short answer, and long answer type questions
✔ Free to download and practice at home
How to Use This Practice Paper
To get the maximum benefit from this practice paper on Chapter 9 – Ray Optics and Optical Instruments, follow these steps:
Start with a Clear Mind
Ensure you have studied the theory, formulas, and ray diagrams before attempting this paper.
Find a quiet place and keep pen, notebook, and calculator ready.
Attempt Without Notes First
Try to solve all questions without referring to your notes.
This helps assess your current understanding and identifies weak areas.
Time Yourself
Simulate exam conditions by setting a time limit for the paper.
This improves speed, accuracy, and time management.
Draw Neat Diagrams
For ray optics, always draw clear ray diagrams.
Label incident ray, reflected/refracted ray, focal points, and image locations.
Use Formulas Systematically
Apply mirror formula, lens formula, magnification, and refractive index step by step.
Show all calculations to avoid mistakes.
Review Answers
After attempting, check solutions carefully.
Compare your answers with the provided solutions or step-by-step explanations.
Focus on Mistakes
Identify errors in calculation or diagram.
Re-practice similar problems to strengthen weak areas.
Regular Practice
Solve multiple practice papers regularly.
Consistency improves accuracy, confidence, and problem-solving skills.
Welcome to Bhautik Study’s Class 12 Physics Practice Paper series. Here you can download free practice papers for Chapter 9 – Ray Optics and Optical Instruments to strengthen your preparation for CBSE, JEE, and NEET exams.
📌 Explore More Practice Papers:
- Chapter 8 – Wave Optics
- Chapter 10 – Optical Instruments
- Chapter 11 – Dual Nature of Radiation and Matter
📥 Download PDF: Class 12 Physics Chapter 9 Practice Paper
Frequently Asked Questions (FAQs)
Q1: What is covered in Class 12 Physics Chapter 9 – Ray Optics and Optical Instruments?
It includes topics such as reflection, refraction, total internal reflection, lens and mirror formulae, magnification, and optical instruments like microscopes and telescopes.
Q2: How do these practice papers help in CBSE board exam preparation?
These practice papers are aligned with the NCERT syllabus and include important questions that frequently appear in board exams.
Q3: Are these papers useful for JEE and NEET?
Yes, they include conceptual, numerical, and application-based problems relevant for JEE Main, JEE Advanced, and NEET aspirants.
Q4: Is there any cost for downloading these papers?
No, all practice papers from Bhautik Study are completely free to download.