Astronomical Telescope || Ray Optics || class 12th || Physics handwritten notes

[@PHYSICSwithUmeshRajoria]

🎯For Physics Chemistry Biology Notes📚 Download App⬇ play.google.com/store/apps/details?id=com.hesvth.fjobsyoo

[@hradayyadav8137]

Unfortunately I have found you today! One day before my physics exam, you would have been really helpful for me but I'm not lucky enough to learn through your impeccable lectures!! 🙏🏻

[@mcdcyborg1877]

Fortunately*

[@Physicschemistrymaths-w2f]

​@@mcdcyborg1877 unfortunately. Here mean that he get sir's lecture one day before exam . He want to say that it was pretty better if he get this opportunity. May be 2 to 3 months before exam

[@teenpatti8294]

​@@Physicschemistrymaths-w2fexactly

[@RITESH_KUMAR_SINGH193]

​@@Physicschemistrymaths-w2fmam He should have say like I am unfortunate that I Got this video just 1 day before my exam

[@BZM005]

Just add an" only "before "found " and youll be sorted

[@DA-nk1ug]

SIR YOUR GREEN BOARD IS FAR BETTER THAN DIGITAL BOARD. Thank you so much sir 🙏🏻

[@Shail821]

Jis tarah aap sir hath se diagram bana ke padhate hai to jyada samjh aata sabhi dought clear ho jata hai dubara video dekhne ki jarurat nhi hoti ,your this struggle really hard with chalk,duster

[@oganessonstudios]

Shayad tereko doubt ki spelling me hi dought hai 😆

[@notatime8467]

@@oganessonstudios 😅

[@notatime8467]

lagta hai bhai tu bhi 6march ki taiyari kar raha hai 😄😄😄

[@ruerue0066]

​@@notatime8467 mai kr ri hu Drr lg raha hai bhaii

[@notatime8467]

@@ruerue0066 sabhi average baccho (included me) dar lag raha hai

[@IItiangoals]

They are lucky who attend coaching of yours ❤ Keep going Sir.

[@girdharirawat8245]

You deserve more than physics wala

[@Nordstrom69]

Truly

[@Nordstrom69]

@Historical Info...no 😂

[@Doraemongadget9898]

Bro.. Both deserves the way they do

[@artsy223]

He can't teach chemistry So , no .

[@xenon6138]

@@artsy223 but alakh Pandey chemistry is not complete

[@Twinkle.Chouhan]

Very very thank you so much sir❤ I am watching this video at 3:00 am

[@yanshikakoshta6980]

Most appreciable lectures 👍👍 Makes concept crystal clear...

[@smashed_armaan_]

Me watching at 4 march 2024 today is my physics exam time 3.18 am hope for the best

[@Khy6336]

Bro I didn't even sleep today it's 7:7am And I've only studied ch 12😢

[@RohitSingh-gs7wq]

us bhai us @@Khy6336

[@ammarsaqlain]

Haha us bro us 2024 batch is hopless i just pullen an all nigher and still am studying with me the best too and wish y'all the best too

[@Khy6336]

@@ammarsaqlain I failed 😭🥺

[@jaatraj3028]

Sir you are best teacher aap board pe padate smj aata or teacher ki class me timepass bhi nahi krta sirf pdane pr focus rhakte sir you great

[@niloysarkar7887]

Sir me west Bengal se hu, apka lecture bohat achha hai. Kas apka jaise teacher hamara eyha hota

[@ayushkumarthakur2699]

Crystal clear concept😀😍

[@yuktinandwana8833]

Sir I don't know why you're subscriber are less .but one day it cross 1 million 👍😀 hope this day come soon . 🥺 thankyou so much sir for providing best teaching ever ... (before 1 day of exam we have to watch you're lec for Crystal clear the concepts tution notes is not sufficient for revising ( need your lecture )😀👍🙏 😀Once again🙏🙏thank you so much🤗 😊😊🤗We pray this yt channel goes cross 1 million subscriber.🙏🙏

[@NaveenKumar-bk3kz]

Hii

[@shreyatiwari2940]

Thankyou sir for clearing every concept... Your videos are really very helpful for me before my physics exam Tommorrow'is my physics exam nd I was finding difficulty in this derivation nd you made it so simple nd clear Thankyou sir ❤️🙏

[@gautampranav16]

Sir maine aapni 12th physics sirf aapse pdhi thi or kl maine aapne physics ke board exam mai 56/60 score kia hai. Thank you sir thanks a lot

[@Bhagwatbhakti2857]

you made this topic super simple👏thnx sir

[@Lab5technecian]

Sir aap bahut achha se explain karte hai . Thanks sir 🙏😎🙏 For explanation of the Astronomical Telescope 🔭

[@universalpublicschool631]

Sir I like ur simple and meaningful explanation ❤ no time wasting and only padhai🙏🙏🙏

[@madagalalavaraju6046]

Sir M=-fo/ue so (1/ue=-1/Fe[1+Fe/d] Then substitute in M M=-fo(-1/Fe[1+Fe/d]) M=fo(1/Fe[1+Fe/d] M=fo/Fe[1+Fe/d]

[@madagalalavaraju6046]

Doubt గా ఉంది sir

[@adarshsingh-hu8vr]

Sir I really appreciate your Hard work You always make me feel quite comfortable while listening to your lecture Thnxx a lot sir for your devotion towards us

[@scripted_shorts_by_adi]

Sir aashirwad 😅

[@indiangamingff9003]

Good experience of teaching of physics ☺️

[@abhisingh5110]

Finally ! I am expert in this topic thank u sir dil se 😍

[@amoslal5008]

That question was came in 2023 cg board exam thankyou soo much sir

[@indra1838]

18:45 isi baat ko dhund raha tha bas aapne boli yeh baat thnx

[@rohanbhardwaj-b7w]

The best teacher on KZbin so far

[@Anny_4959]

I study physics from you for the exam and you teach very nice ❤❤❤❤❤ thank you 😊

[@raunakgaming3054]

what a concept of your teaching sir owsome ❤️❤️❤️

[@MadhuChhonkar]

Nice explanation ..... Thanku sir❤❤

[@chaixaioqi3019]

Sir khy app ncert physic class 12 ka question bhi kra diziye plzz 🙏🙏🙏sir.।

[@Verma-n1n]

Thanks sir me aapki vdo dekhti or physics me meri shi makes aate h 😊😊❤🎉 sir aap bhut aacha pdate ho 🎉🎉 Thanks sir 😊

[@abhisheknayak3071]

In Numericals, should be directly put values (u, v, f) into these formulae or acc. to sign convention????

[@PHYSICSwithUmeshRajoria]

According to sign convention

[@abhisheknayak3071]

@@PHYSICSwithUmeshRajoria sir In previous video of Compound microscope , you told to put the value directly in formula at end of the video

[@aayushhh24gamer82]

Sir believe me you are legend 👑

[@tukijhaaa]

This is the first time I am commenting ever. Your teaching style is just so commendable. Sir, Bhagwan kre aapka subscribers grow krne lage with speed of light. Thankyou so much sir.🙏🏻

[@SuicideArtist]

Ok

[@vikaspandey4639]

Jaldi hi apka million me subscriber honge🙏

[@radhilnarula5783]

Thankyou sir i have my preboard tomorrow this video really helped me

[@manvigill1272]

It's very helpful for me sir thankyou so much sir 🙏🏻🙏🏻

[@princenzoeditz3217]

Literally this is amazing 👍🏻🚩

[@kirpalsinghkirpal5991]

U are god for me becoz tomorrow my final paper hai.....bhut tension a sr 😢

[@sukhvindergill7691]

Sir your teaching is so good

[@anshuligoel2277]

This teacher is soooo good.

[@Sunaharajput04]

Really appreciating sir .. thank you sir 🙏🙏

[@MR.SARAN_07]

Your teaching style very easy 🔥🔥🔥🔥 I like you

[@sanveerbinner7052]

Your are best than my teacher sir ! Thank you sir

[@justsomeone1542]

I hit 1k 🦋 Thank you sir 💟 It's really helpful 🤝

[@Pw-Online-Platform]

I always watch your videos sir....and I'm glad to say that I understand everything which I don't get in school....since your way of explanation is so clear can you please upload videos on important questions and answer for 2024 board...

[@unicron7809]

Thank you!! :)

[@dakshgupta4929]

Thank you so very much sir for such a crystal clear explanation 🙏🙏

[@diyaburudi777]

Thanks sir for your amazing explanation ....🙏🙏🙏🙏

[@Unknownnnyt2]

He is much better than PW 🔥🔥

[@its_me_gauri]

kuch bhi 😂😂...Haa ache sir hai ye b btt kyaa mtlb PW wale bekar hai ..ek baar pdhke dekhlo 😂😂

[@Unknownnnyt2]

@@its_me_gauri better than mtlb ye nhi ki pw bekar h aur for ur kind information I'm a student of pw of arjuna batch and lakshay batch

[@its_me_gauri]

@@Unknownnnyt2 then you should know about MR sir ...He is one of the best teacher of physics ..And i m also a student of PW Arjuna Neet and Lakshya Neet

[@aartisinghal4738]

Thanks for this wonderful explanation sir Sir aap bhaut acche se diagram bna ke samjhate ho or is se bhaut help milti h

[@rightidea2.266]

Thanks sir..🙏🙏 Mja aa gya..👌👌

[@nishankiyadav2074]

You are gift of god😇😇

[@samartech5436]

Amazing teaching 😁

[@MATHSLOVER.]

Kamal ho sir aap kyaa padatao ho sir thanks for your concern

[@MohammadJameel-sw8lh]

Thnku soo much❤️

[@ashik11360]

Thanks sir for your great teaching

[@sarojkumawat8064]

Thank you sir aap bhot acha smjate ho.☺️☺️

[@ganeshbhatt1579]

Thank you so much sir ❤️🤗..

[@Ritikraj-it6kq]

Really nice explanation ❤️❤️

[@ajitsaharan3843]

Sir length of the telescope 🔭 tube distance between second focal point of objective and first focal point of the eyepiece is called tube length hota h It means first normal case me to L= 0 hona chahiye kyunki b/w distance zero h Aapne dono cases me plus kyon kiya h

[@arvindtank697]

Its for microscope

[@dhilipb1915]

Thankyou so much sir it is useful for my btech semester

[@krishna-nh3xh]

I'm really thanksfull to sir this video is so helpful

[@ѕ45-м3л]

SIR UMESH NEWTON ❤️ MAN

[@pavanpatel7558]

Sir last Wale magnification formula me -×- =+ve nahi aayga

[@kalamewarsirahim707]

Preparing for boards and watching sirs videos for derivation parts . ❤️❤️❤️❤️

[@physicwallahlover.6279]

I like a teacher on KZbin who is Umesh sir .❤️

[@saiyedsikandarquadri4222]

Sir, why you always consider D=25, is it a standard value or just an example ?

[@amanchoudhary8237]

Standard value

[@Saroj123-r]

25 cm is the value within which we can see clear image

[@milind_purohit]

25 cm is the minimum distance from eye from which we can se clearly

[@Krishna_Krishnatrey]

Bhai tuje sakth se sakth jarurt ha 2 ghante physics. Rat ko sone ke bad or sone se phale. Sory bhai bura mat manio.

[@milind_purohit]

@@Krishna_Krishnatrey comment 1 year pehle ka h bro abhi clg me hoga vo 😂

[@visheshpal7353]

Always grt explanation sir ji

[@hritikkumarsingh9764]

8:55

[@AdityaKumar-ro5es]

Sir aap bahaut aacaha padhate hai.

[@tejasdm1154]

Op sir nice teaching

[@RajSingh-fi9wq]

🙏🙏🙏🙏 all concept clear sir🙏🙏🙏

[@farooqpoonchi...5799]

Thnk u so much sir... 👍😊

[@chandanikumari5456]

Very rich contest sir Thanks sir

[@binodkumar967]

Very nice 👌 and clear concept.

[@Pompishah]

Sir in special case fe should be taken as negative, as we opposite to direction of incident rays???????

[@azharmahmood5115]

Sir very great explanation thank you sir

[@ranjitmohapatra8550]

Awesome 👌👌👌

[@Akagami4048]

14:52 , sir to kitab infinite pe rakhdun ? Phir to nai neend ayegi na

[@tarangseriel-ig6dh]

11:38 and 23:23 check

[@Priyanshh_rai1]

Thank you sir❤❤

[@mansiverma2066]

Nice explanation sir🙏

[@rohitmr264]

sir lens formula me Ue ki value ko bhi negative put karenge to wo positive ho jayegi na lekin apne Ue ki value ko positive hi put kara hai

[@JHON1296Y]

Same question

[@lofi__Edits262]

Well explained. Thanks sir

[@arshitamaurya7803]

Thnqq sir jiiii 🙏🏻

[@Raghav00006]

Sir aap aacha padhate ho

[@sakshilodhi7473]

Thank you sir.... ❤

[@sdparmar12]

Sir you are great kha padhate ho ❤❤

[@sdparmar12]

Sirji aap kaha teach karte ho

[@sanskarichhatra5231]

There is mistake in last equation on special adjustment.. you didn't put Ue in negative in lens formula..

[@aaradhyamishra4741]

Outstanding 💯

[@deepalising6740]

Thank you🌹🌹🌹🌹🌹

[@gudalraj584]

Alakh sir is the best ❤️✨💫🌈🌈

[@katyayani5643]

how is alakh sir? isnt this u rajorias page?

[@katyayani5643]

who*

[@Jatin_makeup_artist]

Awesome lecture

[@pallavi_116]

Oh god mujhe ye teacher paper ke din hi kyu mile

[@sandeepbhatt6812]

Sir You are super please video on atom and nuclei topicwise

[@inshsajahan]

Sir yeh refrecting telesciope h ?

[@PHYSICSwithUmeshRajoria]

Yes

[@RamkumariKushwaha-qj7ld]

Jo bacche apse coaching lete honge bo kitne lucky honge

[@Simratkaursk]

to sir yahan pr jo final formula aaya hai usme values ke sign put krne hain ya nahin ?

[@UNBofficial]

Sir Fe is always positive

[@pradipshirote9025]

Superb sir