Unit Cell and Packing Efficiency (The Solid State - 9) || Chemistry for Class 12 in Hindi

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In this Chemistry video in Hindi for Class 12 we explained what a unit cell in crystal lattice is and what is packing efficiency. We also evaluated the number of atoms inside a unit cell for different types, viz., Simple Cubic Unit Cell, Face-Centred Cubic Unit Cell and Body-Centred Cubic Unit Cell. This is a topic from the chapter 'The Solid States' for Class 12th Chemistry.

The unit cell is defined as the smallest repeated unit of full crystal structure / lattice.

👇👇👇👇👇👇👇👇👇 𝑷𝒍𝒂𝒚𝒍𝒊𝒔𝒕 👇👇👇👇👇👇👇👇👇

🔴 THE SOLID STATE - FULL CHAPTER 🔴 Class 12 - Chemistry

👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆👆

Previous videos :-

🔴 The Solid State

🔴 Types of Crystalline Solids

🔴 NON POLAR molecular solids and LONDON dispersion forces

🔴 Polar Molecular Solids and Hydrogen Bonded Molecular Solids

🔴 Ionic Solids

🔴 Metallic Solids

🔴 Covalent or Network Solids

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Sir I started watching your videos in 12th...then I took drop and I started watching you continuously till graduation.
You are just amazing sir..just one question...why you're not coming in this mainstream teaching like other teachers??

ramanshushukla
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Pura YouTube me itte achhe se 3-D structure me koi aur nhi samjhate hai, ,,, Thankyou so much sir ❣️🔥

Dipak
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I have literally scrolled the entire yt....and this is the ONLY video where the packing efficiency of bcc is clearly explained through the diagram 🤝🏻

theohshn
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Chemistry ka syllabus jald complete krwa do sir please i am a jee student but apke video dekhta hu to pura cristal clear ho jata hai 🙏🙏

pintutadmali
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First comment 😀😃 thank you so much sir this video is so useful for me

exclusivea
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Sir please answer me 🥺🥺🙏🙏🙏
One question :-
Ek hypothetical situation imagine kijiye jaha par bahut jyada height wale kisi mountain se hum ek ball ko drop karte hai.Then, jaise jaise wo niche aayega waise waise uski potential energy kinetic energy me convert hogi aur jiske karan ball ki velocity increase karegi. Since humne mountain ko bahut jyada height ka hai, therefore uski velocity lagatar increase karti rahegi. After some time, uski velocity light ke speed se bhi jyada ho jani chahiye. Lekin according to Einstein's theory of relativity, uski velocity light se jyada nahi ho sakti. To agar uski velocity agar light se jyada nahi badhegi to fir law of conservation of energy violate ho jayegi aur agar uski velocity light se jyada ho jati hai to einstein ki theory of relativity violate hogi.

Sir, please answer.🥺🥺🥺😦🥺🥺

Atheist-From-India
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Great Sir.
Which software have you used for the visualizing the crystal. Can you please let me know?

WISEMANYT
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Sir, piezoelectric par ek detailed video banao plz 🙏🙏

k-pratik
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Sir upload physics lectures also daily basis

mattiullahkhan
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Sir 0.74 nhi aa raha jiska aya mko bole

inayatzahoor
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sir also start class 11 and 12 th basic chemistry

hamzakhan-lhxz
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Sir, what is lattice . Please explain in detail

GauravR
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sir why charge distribute?? and how?? please give us a intutive scnce.

chandansaha
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sir shrowdinger cat experement ka bara ma ek vidio banaiea na please, please...

chandansaha