Polarisation of Light (Part 1) || Malus' Law || in Hindi for Class 12

In this Physics video for Class 12 in Hindi we explained what polarisation of light is. We also derived Malus' law for polarisation. This is a topic of Chapter 10 - 'Wave Optics' from NCERT for Class 12.
Polarized light is light that has its vibration limited to one plane.
A light wave that is vibrating in more than one plane is referred to as unpolarized light.
Polarisation : It is the process where non-polarized light is converted into polarised light.
Malus' Law : The intensity of plane-polarized light that passes through an analyzer varies as the square of the cosine of the angle between the plane of the polarizer and the transmission axes of the analyzer.
👇👇👇👇👇👇 𝑷𝑳𝑨𝒀𝑳𝑰𝑺𝑻 👇👇👇👇👇👇
🔴 Click here to watch the whole playlist on Chapter 10 : 'Wave Optics' for Class 12 :
• Wave Optics (Introduct...
👇👇👇👇👇👇 𝑷𝒓𝒆𝒗𝒊𝒐𝒖𝒔 𝑽𝒊𝒅𝒆𝒐𝒔 👇👇👇👇👇👇
🔴 Wave Optics (Introduction)
• Wave Optics (Introduct...
🔴 Huygens Principle
• Huygens Principle || i...
🔴 Refraction using Huygens Principle
• Huygens Principle (Par...
🔴 Reflection using Huygens Principle
• Huygens Principle (Par...
🔴 Doppler Effect of Light (Part 1) || RED SHIFT
• Doppler Effect of Ligh...
🔴 Doppler Effect of Light (Part 2) || EQUATION DERIVATION
• Doppler Effect of Ligh...
🔴 Doppler Effect of Light (Part 3) || Intuition for Frequency Change
• Doppler Effect of Ligh...
🔴 INTERFERENCE of Light - YOUNG'S DOUBLE SLIT Experiment
• INTERFERENCE of Light ...
🔴 DIFFRACTION of Light
• 🔴 DIFFRACTION of Light...
0:00 Introduction to polarisation of light & polaroids
1:44 Polarised light and plane of polarisation
3:34 Unpolarised light and its polarisation
4:37 Reason of polarising ability of polaroids
5:53 Malus' law
11:26 Why do crossed polaroids prevent light to pass
13:16 How does a polaroid between crossed polaroids allow light to pass

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What happened when we insert third polaroid in the direction of chain of molecules of first and second polaroid??

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