Light–Reflection and Refraction - NCERT Intext Questions | Class 10 Physics Chapter 9 | CBSE 2024-25
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✔️ Class: 10th
✔️ Subject: Physics
✔️ Chapter: Light–Reflection and Refraction (Chapter 9)
✔️ Topic Name: NCERT Intext Questions
✔️ Topics Covered In This Video (By Tazmeen Ma'am): In this captivating video, Ma'am focuses on the topic 'NCERT Intext Questions' within Chapter 9 - "Light–Reflection and Refraction." Dive deep into the fascinating world of science as we explore key concepts vital for success in your studies. Join us as we simplify complex topics and make learning fun and engaging for all Class 10 students.
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00:00 Introduction: Light–Reflection and Refraction - NCERT Intext Questions
02:58 NCERT Intext Questions (Page no 142) - Que. 1 Define the principal focus of a concave mirror.
11:28 Que. 2 The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
18:35 Que. 3 Name a mirror that can give an erect and enlarged image of an object.
22:32 Que. 4 Why do we prefer a convex mirror as a rearview mirror in vehicles?
27:55 NCERT Intext Questions (Page No. 145): Que. 1 Find the focal length of a convex mirror whose radius of curvature is 32 cm.
33:30 Que. 2 A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?
38:03 NCERT Intext Questions (Page No. 150) Que. 1 A ray of light travelling in air enters obliquely into water. Does the light ray bend towards the normal or away from the normal? Why?
56:31 NCERT Intext Questions (Page No. 158): Que. 1 Define 1 dioptre of power of a lens.
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