Ray Optics & Optical Instruments - NCERT Solutions (Part 2) | Class 12 Physics Ch 9 | CBSE/JEE/NEET
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✔️ Class: 12th
✔️ Subject: Physics CBSE/JEE/NEET
✔️ Chapter: Ray Optics & Optical Instruments (Chapter 9)
✔️ Topic Name: Ray Optics & Optical Instruments - NCERT Solutions (Part 2)
✔️ Topics Covered In This Video (By Dhiraj Sir): This YouTube video discusses the principles of ray optics and optical instruments, as outlined in the NCERT textbook. The video, taught by Dhiraj Sir, covers topics such as refraction, lenses, prisms, the human eye, microscopes, and telescopes, and includes a detailed explanation of each topic, providing real-life examples to help explain the concepts. The video also includes helpful diagrams and examples of calculations that students can use to better understand the content. The video addresses questions and topics from both class XI and XII NCERT textbooks, making it a comprehensive and informative resource for students studying optics.
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00:00 Introduction Ray Optics & Optical Instruments - NCERT Solutions (Part 2)
01:22 Question 6 to 8: Exercises: Ray Optics & Optical Instruments - NCERT Solutions (Part 2)
6. A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40°. What is the refractive index of the material of the prism?
26:18 Question 9 to 11: Exercises: Ray Optics & Optical Instruments - NCERT Solutions (Part 2)
Question 9 - An object of size 3.0 cm is placed 14 cm in front of a concave lens of focal length 21 cm. Describe the image produced by the lens. What happens if the object is moved further away from the lens?
57:37 Website Overview
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