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In this Physics video in Hindi for Class 10 we explained what power of a lens is and what its formula is. We also discussed on its S.I. unit known a dioptre which is defined as per meter.
0:00 Introduction
2:13 Convex Lens and Concave Lens
2:38 Principal focus and Focal length of Convex lens
3:22 Power of a Convex Lens
4:42 Equation of Power of a Lens
5:51 S.I. Unit of Power of a Lens
6:47 Power of lens with focal length of 25 cm
9:24 Power of lens with focal length of 50 cm
10:21 Principal focus and Focal length of Concave lens
12:11 Power of lens with focal length of -25 cm
13:36 Focal length of a lens with power -5 dioptre
15:01 Power of a combination of lenses
👇👇👇👇👇👇 𝑷𝑳𝑨𝒀𝑳𝑰𝑺𝑻 👇👇👇👇👇👇
🔴 Click here to watch the whole playlist on Chapter 10 : 'Light - Reflection and Refraction' for Class 10 :
• Light - Reflection and...
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🔴 Light - Reflection and Refraction (Introduction)
• Light - Reflection and...
🔴 Spherical Mirrors (Introduction)
• Spherical Mirrors - 1 ...
🔴 Spherical Mirrors - 2 || Image Formation by Spherical Mirrors
• Spherical Mirrors - 2 ...
🔴 Spherical Mirrors - 3 || MIRROR FORMULA and SIGN CONVENTION
• Spherical Mirrors - 3 ...
🔴 Spherical Mirrors - 4 || MAGNIFICATION
• Spherical Mirrors - 4 ...
🔴 Prove that R = 2f || Spherical Mirror - 5
• Spherical Mirror - 5 |...
🔴 Refraction of Light
• Refraction of Light ||...
🔴 Refractive Index
• Refractive Index || in...
🔴 Refraction Through a Rectangular Glass Slab
• Refraction Through a R...
🔴 Refraction by Spherical Lenses
• Spherical Lens - 1 || ...
🔴 Image formation by Lenses
• Spherical Lens - 2 || ...
🔴 Lens Formula & Magnification with Sign Convention
• Spherical Lens - 3 || ...