Timestamps: 0:00 Introduction 0:41 Nucleus 1:42 Composition of Nucleus 4:24 Measurement of Atomic Mass 5:20 Atom of elements 9:22 Size of Nucleus 14:25 Einstein’s Mass-Energy Equivalence 15:09 Nuclear binding energy 22:02 Nuclear Binding energy & Mass defect 24:53 Nuclear binding energy per nucleon 34:54 Nuclear Force 36:38 Nuclear Energy 37:18 Types of Nuclear reactions 38:02 Nuclear Fission 41:21 Uncontrolled chain reaction 43:37 Controlled chain reaction 45:12 Uncontrolled chain reaction 45:30 Controlled chain reaction 45:40 Nuclear Reactor 47:25 Nuclear Reactor:Moderators 49:29 Nuclear Reactor:Control Rods 50:21 Construction of Nuclear Reactor 52:26 Advantages & Disadvantages of Nuclear Reactor 53:46 Nuclear Fusion 55:25 Thermonuclear Fusion 55:59 Energy generation in Sun

at this point, she probably deserves all the fees that i've given to my school :') literally indebted to this channel p.s. - please upload wave optics and semiconductors as soon as possible, thank you :')

@vrindagupta1150

2 жыл бұрын

Electromagnetic waves too plz mam ..

@gv_harshavardhan3799

Жыл бұрын

Actually

@_EMPEROR_3207

Жыл бұрын

Hey!! i am starting physics of class 12 with this lesson, is this chapter linked with any other chapters???

@thelegendoftejas

8 ай бұрын

no shit brotha.

@thestraltheundead4093

5 ай бұрын

​@@_EMPEROR_3207atom,dual nature bhi slightly

All to the best to our 2024 batch, do well on 4th march🎉 all the best

@sruthijayesh6795

4 ай бұрын

Ive lost all my hope😭

@navinbinu2220

4 ай бұрын

@@sruthijayesh6795 it's the same for everyone, physics tho mushkil hai

@sarvesh1596

4 ай бұрын

Hey! Thanks and atb to you too!!

@idk-69247

4 ай бұрын

ACHA KHASA ata tha but 4 din waste kr diye or ab ro rha hu , kyuki syllabus ate hue bhi revise nhi kr paya pray for me & all the best EVERYONE

@allena4641

4 ай бұрын

Good luck people :)

Bro after 6 hrs it's my physics exam...and am here watching this chapter for very first time 💀

@aanyaparbat645

4 ай бұрын

Same bro

@VanshTyagi-114

4 ай бұрын

M toh 2 hours pehle aya hu bro.. 😂👍🏻

@Amsidkdnsls

3 ай бұрын

In 6 hours *

@jinnnied1787

3 ай бұрын

I am here after exam🤡

@akshay-ii9ik

3 ай бұрын

Ma exam centre ke bhar Khada hoke video Dekh rha hu

Kon kon pehle bar ye ch padh Raha h 😂😂😂😂

Can we all just accept the fact and appreciate Roshni ma'am, she is completing all these BIGG? DIFFICULT? board chapters in just one hour or so and all our concepts are literally crystal clear Formula, derivations of every chapter Totally amazing!!! Thank you, ma'am God bless you❤✨

@ranjanfocused151

2 жыл бұрын

Of course.

@jeeteshsawarkar1808

2 жыл бұрын

nahi

@studywithstutiandsrishti7844

Жыл бұрын

Yes

@aishwaryaacademy2122

Жыл бұрын

Hii

@belintasharon2143

Жыл бұрын

she is clearer than my teachers

The best part of her videos is the explanation with animation No FEAR when everything is crystal CLEAR.. 😉😉

@ezboi4202

Жыл бұрын

hi mujhe maardo

@aayushpathak4336

Жыл бұрын

​@@ezboi4202 💀💀💀

@janvibansal3606

Жыл бұрын

Ye boards ke liye sufficient h kya

@trexopie3881

Жыл бұрын

@@janvibansal3606 Haan per iss video ko dekhne k bad pyq's solve kr liyo🗿👍

@anujjain1682

Жыл бұрын

​@@trexopie3881 neet keliye sufficient h kya?

2024-2025 batch here!!! 👍

Mam thank you so much for this video....just help us with wave optics and semiconductor 😭

@mehakpuri9953

2 жыл бұрын

Yes mam

@harsh.singh.michael

2 жыл бұрын

Yes

@harsh.singh.michael

2 жыл бұрын

Ma'am

@Target--100..subscribe

2 жыл бұрын

Yess mam plzzzz

@abhaypanda16

2 жыл бұрын

Yes Ma'am please upload before 19th May

For all those commenting, For 2023 Board ppl: Radioactivity, Law of radioactive decay, Alpha, Beta and Gamma decay is deleted

@user-sv1vt4kn6m

5 ай бұрын

Also for 2024 board ppl😅

@tanishkjakhmola6883

5 ай бұрын

​@@user-sv1vt4kn6myeaaah maybe cause it is not in newly released ncert edition of physics

45:11 suddenly got me up from sleep 😂😂

After watching this video I understood Oppenheimer much more clearly lol

what a perfect timing!!....just when i needed this thanks ma'am.

@user-Rohitmeena08

2 жыл бұрын

Same

@niharsoni9378

Жыл бұрын

Sahi baat hai ,😆😂

@_EMPEROR_3207

Жыл бұрын

Hey!! i am starting physics of class 12 with this lesson, is this chapter linked with any other chapters???

@funkyguy1950

4 ай бұрын

2024 here

Roshni mam, I'm glad and very much thankful to you as we are having physics exam after two days and you are uploading each chapter for it... thank you so much for your efforts mam 💜 💓

Reduced syllabus for this chapter 2023-2024 …..radioactivity,law of radioactive decay (alpha ,beta ,gamma),nuclear reactor

@hamdansyed4525

4 ай бұрын

Fir toh bacha hi kya chapter mein?

@tajirtbnmh542

4 ай бұрын

Most of the interesting part of this chapter is deleted

Me who is seeing all chapters 1 shot video 1 day before exam 😂 Anyone same can attendance here 😅

@AvdeshSingh-nz1ox

4 ай бұрын

Same

@sharmajigsofficial

4 ай бұрын

Fkin same... Koi option bhi nhi hai

@studyruchi4491

4 ай бұрын

Us bro i didn't studied whole year rn watching this

Thank god I found you 1 day before exam..these topics were so difficult and all the other teachers on youtube were only teaching us formulas and it was so hard to learn all that..but now I can make the formula on the spot because my concepts are crystal clear!😍

@ramanprakash3908

6 ай бұрын

chup bilkul chup ek sabd nhi bologe tum iske aage

Mam you are a boon for us And yaa all concepts are crystal clear You are the best teacher I have ever seen Thank you for this amazing lecture ❤️ Just love it ☺️

mam ko 1.5x pe sunne ki adat ho gyi hai normal pe bahot akward lagata hai . you guys agree or not?

@n0tHiNg0139

7 ай бұрын

2x pe dhek ra hu exam ke pehele

Love how you are giving us a visual idea for all the concepts. Indeed SPECTACULAR TEACHING AND EDITING.

The GREATEST TEACHER FOR CBSE always helps your notes no comparison to this Teacher Only a teacher who is all rounder

@snehamahto3042

5 ай бұрын

Notes likhe h ky broo

@PyareMahadev-vv6ul

5 ай бұрын

@@snehamahto3042 Ha

@ansumanansuman1010

5 ай бұрын

@@snehamahto3042 kitna complete kar chuke ho Bhai sab ready board ke liya

CORRECTION MASS OF 1 NEUTRON IN AMU IS 1.008665 amu AND OF 1 PROTON IS 1.0072766 a.m.u... at 16:24

@neelimakola3047

6 ай бұрын

I'm searching for this comment tqq

Ma'am literally you will make me cry over the way you are uploading the lectures are so so helpful .. Hat's off to your hard work and I am eagerly waiting for your next video lecture because I want to understand better and to score good ..☺️✨ The way you are spreading these video lectures for free for all are really very much helpful especially for those who can't afford coaching And hmesha concept hua crystal clear Roshini Ma'am you are like "Roshini" in our life we appreciate your hard word.🤗🌼 Thank you so much ma'am for doing a lot for us..🥰🙏 Sending you lots of love and blessings from Uttarakhand..:-)✨

@Adityasahu-cl1dc

Жыл бұрын

are itni tarrif nai naa karo kya pata free subscription de de aapko lernohub ka

@tanishqchauhan9001

Жыл бұрын

@@Adityasahu-cl1dc 😂

@gamingraja-ec5uy

Жыл бұрын

Madam aap theory acha karate ho lakin all topics of chapter nhi padate really i don't lieing that I am not able to solve questions of this ch with only yours this lecture please mam cover all topics of Every chapter

Love u Roshni ma'am, i went to many channels for one shot before my physics exam, but you're the best, the way you make any chapter so concise and easy, every student can well understand it, Love u ma'am...Always keep spreading the 'Roshni'✨️ of education in our life🌷😇🙏🏻

Concept hua crystal clear 😍Thank you so much maam for and amazing lecture😍Maam, maine sab chapter exam fear se complete kiye and ray optics, dual nature aapke recent lectures se complete kiye.. Revision recent videos se padhke concept ko aur bhi zyada crystal clear kiya😍Maam, I'm left with wave optics can you please upload the next lecture of wave optics please maam please?😍

Lot of thanks for marvelous job you are doing! You have cleared each and every points in very fluent,simple Language in very satisfactory manner.once again hat's off thanks for Your great job MAM ! GOD BLESS YOU MAM !

Concept hua cryastal clear 😁

Where are these topics ?- •Radioactive decay •alpha decay •beta decay •Gamma decay

@milanmandal2622

5 ай бұрын

Bhai woh deleted portions hai

You are such an amazing teacher, whenever I have any doubt you are the one I refer to... You're way of teaching is fabulous. Thank You so much and yes the concept got crystal clear

@milianoloops7251

Жыл бұрын

Hiii rishita give me your insta id

All the best for physics exam on 6 march 2023👍

@aanyadhingra5743

Жыл бұрын

All the best to you too💗

Mam I'm totally depends on you for semi conductors because this chapter is highly based on visualisation

Your animations and way of explaining is great 🙏

@1:00:15.. mam ye rxnx learn krni h kya , I mean in pr bi qsn bn skta h kya ?

Nuclear fission be like - 3 ki help kro bo aage teen ki help krenge bo teen or aage or 3 ki help krenge 😂

2024 vale attendence lagao😅😂

@pratikshaminj4048

5 ай бұрын

Is this only one shot lecture is good for boards?

@sanjaychoudhary8004

5 ай бұрын

Han bhai

@irish_khan.02

4 ай бұрын

Konse board se ho??

@umihage6909

4 ай бұрын

​@WhatTheFuss-qk8gl yahase koi topics deleted h kya?

@user-tj2cm6do7y

3 ай бұрын

Ap bhi lagao mera yahan 😂😂

Mam Please Post Wave Optics and semiconductors .Your work is really good

@guruprasad9083

2 жыл бұрын

Yes mam plz do wave optics

this was a masterpiece💝✨✨✨ thank you ma'am💖💞🙂💝

me legend watching 1 day before final physics exam 🔥🔥

@user-mh3ek1dd3g

6 ай бұрын

Kitne per.aaye

Thanks mam for making my concepts crystal clear ☺️ 💕💕💕 You don't even know how you have helped me 🥰

@ni3ji

Жыл бұрын

Yes mine too 👍

Uncontrolled chain reaction is like the South movie STALIN and Hindi movie JAI HO 🤣🤣🤣🤣🤣🤣🤣 41:27 s

Good morning ,Thank you so much mam.. after watching atom I was waiting for nuclei and now here it is ☺️❤️🥰.....

Mam, well done but some common mistakes 16:37- mass of proton is 1.00727 and that of neutron is 1.00866

Thank you mam for this video.All concepts hue crystal clear 😊😊

This chapter is suppose to be incomplete without explaining the topic RADIOACTIVICTY. So cover it as soon as possible.

@anushreesolanki4782

4 ай бұрын

which has been deleted

thank you so much mam, it helped alot .concept huwa crystal clear.

@Adityasahu-cl1dc

Жыл бұрын

crystal ka to pata nai par mai clear hu..... LOVE you.....mesaage from heaven (my heart)

Only three days are left for my physics board exam and i'm here for quick revision it is very helpful ❣️

concepts hua crystal clear!! thank you for putting videos...literally u put out THE BEST teaching videos on youtube!! ik u have worked a lot to put out all the videos in the last minute, but always know that because of you a lot of us are saved! THANK YOU SO SO MUCH!!

mam ,you 've not included radioactive decay and all type of decays.....

no words to say, outstanding level

The video is incomplete.mam u have not taught radioactivity , Alpha, beta, Gamma decay.

@Riya-px9db

Жыл бұрын

Inhone pehle se hi uspe video release Kiya wa h , aap ek baar search karke dekhlo .. ( She has already made video on that , you should search it up )

40:15 it reminded me of a movie where the protagonist says that there is no need to say thanks just help some other three people and when they thank you tell them to help other three... and the chain goes on . Now I think they took the Idea from here 😁

@nucleophile797

5 ай бұрын

You take the movie "jai ho" very seriously 😅

मेरी रसायन विज्ञान की परीक्षा बहुत खराब हो गई है। मुझे पास होने के लिए भाग्य की आवश्यकता है।

EVERY CONCEPT IS CRYSTAL CLEAR...OUTSTANDING LEVEL MA'AM...AND AGAIN THANK U SO MUCH ROSHANI MA'AM🤗😇😃

Thank you mam for your efforts 😊 Can you please come with the video of semiconductor? If possible.

Ma'am If I will meet you in real life I will literally fall down to your feet, because your teaching has SAVED me literally so many times. I can't Express in words how to thank you Omg. GOD BLESS YOU 🥰❤❤❤❤

Thank you so much Ma'am ❤️#CONCEPT Hua crystal 🔮 clear😇

Thank you so much mam, .🙏. Everthin is crystal clear 👍

glti ho gyi pcm leke😭😭

@dr.haroonhijamacentre9119

6 ай бұрын

😂😂😂😂😂😂😂😂😂

@user-jk6ee6cm9k

2 ай бұрын

Mene to pcmb le rakha hay😅

@yashsinghrajput7504

Ай бұрын

Arre itna personal nhi hona tha bhai 🥲

@bharatvaghasiya116

Ай бұрын

Bhai ap free fire khelo ap nahi kar paoge pcm @vikashkumar

@user-jk6ee6cm9k

Ай бұрын

Kiya matlab mene pcmb liya hai😢😢😢😢😢

Thank you mam maine aapke sari video se apni syllabus cover krli Ab result aana baaki h Again Thank You ♥️

Thanks mam, for this wonderfully put together video. won't disappoint you

45:10 It freaked me out of my table 💀. Thank you for your efforts mam 😭❤️‍🩹 Best teacher fr...... I am understanding each and every thing

@abha7592

4 ай бұрын

me too lol 😭😭😂😂

I am studying the night before my pre-board. My only goal is to pass because I have not passed in any of the 12th physics exams except for UT 1. This video was very helpful. I hope I can do it!!

@harnoorsingh6400

7 ай бұрын

Than how many percentage u get in boards

Concept Hua crystal clear, as always! Thank you so much mam !❤️❤️❤️ We can't express our gratitude to you, in words! You are a Superhuman,mam!👍❤️

You know everyone writes that I watching this one day before but no one says that does it actually helps in solving all problems and ques of exams and of course some important part is missing like alpha ,beta and gamma decay , decay law ,half life period and some other derivations

Thank you mam for this video. Definitely my concept turn into cristal clear after watching this wonderful video

Ma'am semi conductors today pls!! Its the most important ch n there's alot to learn in it!!! Also concepts r crystal clear because of you!!

The only teacher who teaches ncert so nicely

i was waiting for this chapter...thanku mam...please make video on semiconductor and wave optics🙏

Welcome to the (KDPPw family - kuch din pehle padhne wale) before the exams By the way all the best

@Shreya-hi9fd

Жыл бұрын

And still we all manage to score better than all of those who study for almost a year 💀👍🏻

Concept hua Crytal clear Thank you 😊 mam for all your serious efforts🌟❣️

42:17 yeh toh uss movie me tha Jai ho...tum 3 ki madadt karo, voh aage 3 ki karege!!!

All are running behind premium course's and thinking about gold but forgetting about this iconic diamond channel where lectures are free of cost I feel bour when I listen onlinelectures but now I am in love with this channel And roshni mam Thank you so much mam Love from andhrapradesh 🥰🥰🥰🥰🥰

40:56 ma'am, are the products given here, as in, Ba, Kr..are they important for boards?

Mam.....i was hopeless....but now my all concepts are crystal cleared..,....thank you so muchhh mam...you deserve all the blessings and respect........heartly love from odisha....thank you so muchh mam.......✨

Thank you so much ma'am Concept hua crystal 🔮 clear 💟

Thanks a lot ma'am .. concept hua crystal clear 😊

Nuclear fission is like " Thanku bolne ki jgh aage 3 logo ki madad karo aur unko kahe ki aage aur 3 logo ki madad kare"..

@padakuquiz

Жыл бұрын

😂😂

@d4rsh1l

Жыл бұрын

Aisa nahi agar tumhe 300 rupe mile toh 200 udaao aur 100 bachao

Mam thank you sooo sooo much for this video!! I have now hope in physics , like for real! Concept hua crystal clear 🤩, mam please wave optics bhi karwa dijye!, I am preety sure, many people are facing problems and that is a really needed chapter and my only hope is ur teaching mam!

Literally the best lecture of Nuclei ever!

Very great explanation 💯

thank you mam u have explained in a crystal clear way.

Concept huwa crystal clear 😇👍

Kon kon bina chapter padhe one shot dekha rha hai😂❤

i have an exam tomorrw.. i am sitting and listening to her lecture at 12.30 a.m... the most amazing part is that i am not bored at all!.. (EDITED) 𝕔𝕣𝕪𝕤𝕥𝕒𝕝 𝕔𝕝𝕖𝕒𝕣 𝕞𝕒𝕞! thank you so much!

@Indra.511

Жыл бұрын

did u pass

@asmanasiruddin4556

Жыл бұрын

@@Indra.511 yes..

@Indra.511

Жыл бұрын

@@asmanasiruddin4556 can i just do modern physics and ray optics to pass? and derivations of course

@asmanasiruddin4556

Жыл бұрын

@@Indra.511 Ya you can.. most important thing is about practicing and solving SQPs and previous year questions.. that would be more than enough.. BTW where are you from?

@katsarecute

Жыл бұрын

@@asmanasiruddin4556 this is enough for 2023 right?

thank you so much for this video, greatest way to explain it!

Thank you mam... You are lika a lifeline to us🙏💐

maam if you make you background black it would be more ease for the eyes to be sited for a long time . I HOPE you will make changes in your further videos thank you and b/w it was a good lecture thank you for making it much simpler //

As always, concept hue crystal clear 👍😁

It's just because of you MA'AM ..... CONCEPTS BECAME CRYSTAL CLEAR!!! ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

Concepts hui Crystal Clear. Thanks Ma'am. May God Bless You Abundantly 🙏

Tomorrow is my exam and I didn't study this chapter yet .....today I studied this chapter on this cannel....nd u cleared all concepts easily🥺❤ u r such an amazing teacher

09:12 Thala For a reason 😂

@anshika_gupta_75

4 ай бұрын

😂

Your all video is based on cristal clear thank you mam for clear concept of sach type of students which are before one day examination 🙏🙏

Ma'am apke padhai bahut hi jabardast hai😄😄.. 🙏🏻.... Ho gaya concept crystal clear..... Thank u so much ma'am for this vdeo 🙏🏻🙏🏻...

Honestly , l love her teaching skills a lot!!, Roshini mam really teaches everything , like concepts humesha ho jate hai crystal clear!!, mam this is a veryyyyy urgent request, wave optics padha dijiye, bhohut dikat ho rahi hai uss chapter mein!, thank you for this video and your efforts mam!!

@avnijain3413

2 жыл бұрын

Thanks.....video aa gya....

Thanks for the wonderful explanation mam . 😃 My concepts are now Crystal clear mam 😊😊😊

Thank you so much All concepts are crystal clear mam❤

Thankyou mam I am so happy that you made this video because this is the only chapter I didn't study for any single time 😭

No Fear When Light Ma'am is here💯💯💯 Light= Roshni ma'am 😀 Thank you ma'am

#Day 3 completed Dr Sushmita Sen 🤍