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Number System 01 | Real Numbers | Rational & Irrational Numbers | Class 9 | NCERT | Sprint

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  • čas přidán 3. 01. 2021
  • Download Lecture Notes From PhysicsWallah App/Website.
    📲PW App Link - bit.ly/YTAI_foundation
    🌐PW Website - www.pw.live
    In this ongoing SPRINT Batch, Mohit Poonia Sir of PhysicsWallah is explaining to you about the (Number System 01 | Real Numbers :- Rational and Irrational Number) .
    In this lecture, we have covered these important topics:-
    1:- Number System
    2:- Rational Number
    3:- Irrational Number
    4:- Questions
    5:- Real Number
    6:- Square Root Spiral
    7:- Integers
    8:- Whole Numbers
    There are many other important topics of MATHEMATICS that we are going to cover in upcoming videos for 2022 exam. Stay tuned with Physics Wallah Foundation.
    Udaan science group- t.me/joinchat/U7-mkOQYWB8QeA4r
    Udaan mathematics group- t.me/joinchat/R-q-jx0z8ccmaJJ7
    Udaan social science group- t.me/joinchat/Tykt7_Tz9N8HiEEk
    Scheduled Syllabus For Udaan ( Class 10 ) released describing :-
    which topics will be taught for how many days.
    Available at PhysicsWallah App
    Duration:-2 months (Dec 2020 - Feb 2021)
    Free Batch Exclusive on our CZcams Channel : Physics Wallah Foundation - 9 & 10
    Batch Details
    1)Best Faculties across India for different Subject/Topics.
    2)Complete & Relevant Syllabus Coverage of Class-10th within 2 Months- Fastrack Dec 18,2020-Feb 24,2021
    3)Monday-Saturday : scheduled Classes everyday ( for each Physics, Chemistry,Mathematics , Biology and SST)
    Physics:Mon,Wed,Fri (4:00 p.m)
    Chemistry:Tues, Thurs, Sat(4:00 p.m)
    Mathematics:Mon, Tues, Wed,Thur,Fri,Sat(7:00 p.m)
    Biology:Mon,Wed,Fri (6:00 p.m)
    History & Geography: Wed,Thur,Fri,Sat (5:00 p.m)
    Civics & Economics: Mon,Tue,Thur (3:00 p.m)
    4)Scheduled Syllabus released describing :-
    which topics will be taught for how many days.
    Available at PhysicsWallah App
    Physicswallah Instagram Handle : / physicswallah
    Physicswallah Facebook Page: / physicswallah
    Physicswallah Twitter Account : PhysicswallahAP?s=20
    PhysicsWallah-Alakh Pandey CZcams Channel: / physicswallah

Komentáře • 4,6K

  • @abhimanyupandit9700
    @abhimanyupandit9700 Před 4 měsíci +1119

    Like those who are in 2024-25 batch 👍

  • @Lakshya16124
    @Lakshya16124 Před 5 měsíci +75

    Who wants to study by ritik sir🥺🥺

  • @sanjaypathak6086
    @sanjaypathak6086 Před 3 měsíci +116

    Who else is missing ritik sir from class 8 umang batch

  • @user-jp7zf8mo4o
    @user-jp7zf8mo4o Před 4 měsíci +14

    2024 mein Kaun kaun padhne aaya hai batao to sahi ❤❤ best teacher ❤❤ I love maths

  • @rmygirlOT
    @rmygirlOT Před rokem +3056

    I love the maths class of class 8th by ritik sir 🤩

  • @ShuklaMandal-vf7gk
    @ShuklaMandal-vf7gk Před 5 měsíci +231

    Who is missing babua😢😢😢

  • @Seema-fv8lh
    @Seema-fv8lh Před 3 měsíci +56

    Batch of 2024 to 2025 ❤️
    Let's get starts our new journey 🎉

  • @mewatnewsaaptak
    @mewatnewsaaptak Před rokem +20

    I am missing ritik sir 😢in class 9 maths. I love ritik sir teaching 😊

  • @houryt_gaming
    @houryt_gaming Před 4 měsíci +51

    Who is missing ritik sir with me 😢

  • @HYBELABLES248
    @HYBELABLES248 Před 4 měsíci +34

    Ritik sir is the best teacher in the world

  • @poonam9716
    @poonam9716 Před 3 měsíci +14

    But ritika sir explain better

  • @papakabeta
    @papakabeta Před rokem +12

    Best math teacher and all teacher my math marks 76/80

  • @alyeeniftikhar7224
    @alyeeniftikhar7224 Před 8 měsíci +8

    Sir, make a detailed video on "why pie is not a rational number ?" !!!!!

  • @user-rv2ls7ib1y
    @user-rv2ls7ib1y Před 3 měsíci +37

    Attendance here who are watching in 2024-25

  • @user-xl3sq6be3r
    @user-xl3sq6be3r Před 4 měsíci +13

    2024🎉🎉 mein March mai kaun padhane aya ha bato 🗒️

    • @SpreakYT
      @SpreakYT Před měsícem +1

      Don't talk rubbish here, you are not doing any survey here, and if you do comment in 2024, people will see it in 2024 only

  • @user-garima12330
    @user-garima12330 Před 4 měsíci +135

    Kaun kaun 2024 me padh rha h😅 attendance please 😊

  • @brijeshmishra2666
    @brijeshmishra2666 Před 3 lety +380

    Finally found the best channel

  • @quyamkhan7643
    @quyamkhan7643 Před 8 měsíci +7

    I did'nt like studying maths that much but after watching your video, I liked it 😀

  • @intiyaj_mrj
    @intiyaj_mrj Před rokem +3

    sir kal mera test hai mera is chapter mai thora bohut dought tha jo ki app ne solve krr dia thanks sir 👏

  • @hardeepbagga9998
    @hardeepbagga9998 Před 3 lety +121

    Sir Alakh sir ne bola hai toh appreciation toh banta hai...🤘😂 But you are really a good mentor maza dila diya sach mai👌👍

    • @ritiksingh3693
      @ritiksingh3693 Před 3 lety

      chuppppp be

    • @Gunjan297
      @Gunjan297 Před rokem +1

      @@ritiksingh3693 sayad tumne majak kiya tha per vo sach me chup ho gya😂😂

  • @shivangipandey6282
    @shivangipandey6282 Před 3 lety +128

    He looks like Arjun Kanungo....(a little bit!😜🤣)..
    Btw..well taught sir!!🙏🙏👍👍

  • @GopalKumar-og7md
    @GopalKumar-og7md Před 4 měsíci +258

    Class start hone se pehle kon 2024 me dekh raha h 😅😂😂😂(Gaunik Raj)

  • @lalsingjatoth6548
    @lalsingjatoth6548 Před rokem +3

    Tq sir by this way i can understand maths very easily

  • @Lakshyapandey934
    @Lakshyapandey934 Před 2 lety +110

    I can express my feeling after seeing this video all teacher have legend lvl knowledge in their field 😀😄☺✊👌

    • @shefalijain2332
      @shefalijain2332 Před rokem +1

      Thankyou for such a video i had started the channel @shefalijain2332 specifically for maths

  • @mukeshsoni1859
    @mukeshsoni1859 Před 3 lety +314

    I am really thankful to Alakh Pandey sir and his whole team
    Specially all the teachers who do so much effort in making the slides and teaching us so amazingly❤️
    Vaise I have done my whole syllabus I watch your sessions for Revision 😁and they are so helpful SPRINT KA HI TL SEASON HAI YE🔥🔥🔥

  • @Funkidschan
    @Funkidschan Před 25 dny +3

    All the best for those who are watching this video a day before exam 😂🎉

  • @Akedit337
    @Akedit337 Před rokem +18

    Thanks sir for educating us at very affordable prices

  • @ama0370
    @ama0370 Před 3 lety +193

    I need him in my school for math's teacher

    • @Abhi33384
      @Abhi33384 Před 2 lety +12

      Find your teacher like him
      You never respect your teacher

    • @adarsh69walks
      @adarsh69walks Před 2 lety +13

      Aagar aise teacher school me hote to padhai se pyaar ho jata

    • @timetostudy3396
      @timetostudy3396 Před 2 lety +6

      CZcams ko he school bana do

    • @timetostudy3396
      @timetostudy3396 Před 2 lety +4

      Examination center Google form par
      And cheating from Google only

    • @sahrawatyash8426
      @sahrawatyash8426 Před 2 lety

      Aditya in india this channel is big be

  • @artist277
    @artist277 Před 4 měsíci +6

    After last exam of class 8 here

  • @surendramina510
    @surendramina510 Před rokem +72

    Sir, after reading from you , I understand so well that there is no doubt 🎉

  • @wahengbamsangyalakshmi4236
    @wahengbamsangyalakshmi4236 Před 3 lety +59

    its great how you ask yourself and answer it. thank you very much!! sir!

  • @avinashkumar154b
    @avinashkumar154b Před 3 lety +19

    🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
    Physics wallah 9 and 10 education better than magnet brain, uncadmy........etc. 💗🤟👍😀🙏🏼

    • @nisthagautam475
      @nisthagautam475 Před 3 lety +2

      Yaa i also think so

    • @FahimKhan-ps1bo
      @FahimKhan-ps1bo Před 3 lety +3

      Yt pe koi accha nhi padhte 1 Question krte toh 2 Question nhi solve krte h I'm right...
      Physic wallah bhi nhi line by line nhi samjate h 😚
      Only course p accha padhate h

    • @nisthagautam475
      @nisthagautam475 Před 3 lety +1

      @@FahimKhan-ps1bo wo isi liye line by line ni smjhate kyuki tum unka course join kro or acche se pdho wha unko bhi fayda hoga or tmko bhi

  • @sabrakhatoon3306
    @sabrakhatoon3306 Před rokem +3

    When i see this videos firts time i didn't get anything but when i see it again then i get all and every concepts 😊😊

  • @Editorboy2008
    @Editorboy2008 Před 10 měsíci +2

    yes, sir badiya tareeke se samajh aa gya

  • @ilishasrivastava6166
    @ilishasrivastava6166 Před 2 lety +63

    First time I’m studying from you and I immediately subscribed the channel ❤😊

  • @experimentdynasty1661
    @experimentdynasty1661 Před 2 lety +8

    Thank you for your explanation and giving us yours precious time🌹🌹🙏🙏

  • @farhanansari8305
    @farhanansari8305 Před rokem +1

    Thank you sir for teaching . It was very easy to understand

  • @tanudevmorang8844
    @tanudevmorang8844 Před 4 měsíci +2

    Your teaching style is good from school teacher 😢

  • @akhlaksaqlaini692
    @akhlaksaqlaini692 Před rokem +7

    Thank you so very much sir 😢
    Thanks for explaining ,🥺 cause in school i cant able to understand anything , i find many videos in youtube but still not able tp understand now i find your video😊 thanks ❤

  • @sufinakhatoon6852
    @sufinakhatoon6852 Před rokem +83

    I want him in my school as a maths teacher 😭

  • @abhigyan2194
    @abhigyan2194 Před rokem +3

    Thank Youuuu Sir
    It really helped me a lot!!

  • @srijanchandra5994
    @srijanchandra5994 Před 7 měsíci +9

    COMING BACK TO THIS VIDEO TO THANKS MOHIT SIR THAT HOW HIS TEACHING IN NEEV AND UDAAN BATCH ARE HELPING ME IN ARJUNA BATCH

  • @readandinspire2864
    @readandinspire2864 Před 2 lety +69

    i am in class 11 but still wacthing this video because if the base is strong you can crack any competition. any the second motive of wacthing this video is you ❤❤

    • @mohitmoriya8565
      @mohitmoriya8565 Před 2 lety +4

      You are not alone bro, I am also from 11th pcm, I completed all chapters of chemistry and Physics of 9th to strong my base

    • @pinkey341
      @pinkey341 Před rokem +1

      Me to

    • @komalbedia3774
      @komalbedia3774 Před rokem +3

      And I am graduate 🙃

    • @devimehta5883
      @devimehta5883 Před rokem +3

      Doing the same thing but I am in 8th🌚

    • @Aastha18078
      @Aastha18078 Před rokem +2

      All the best 👍🏻

  • @trishaverma1260
    @trishaverma1260 Před 3 lety +4

    Thank you so much sir for fantastic vedio. Maine two months se kuch v ni phadha tha jiske karan mai tension mai thi but aab bilkul tension ni hai mujhe. Mujhe padhaai mai intrest aa raha hai. Aapne bahut gajab padhaya sir maja aa gaya 🙂🙂🙂

  • @kumariujjawal9713
    @kumariujjawal9713 Před rokem

    My first day in your clas and i realize that your explanation is really best and thanks sir

  • @_____________________ali

    I love this maths class of 9 th by you sir app bhaut acha padhate ho ❤

  • @nileshgarg4599
    @nileshgarg4599 Před 3 lety +100

    When sir in the end says "padhai karte rahiyega all the very best" it is so motivating and hard touching moment for me . I love allakh sir and all teachers 💖

  • @AyushiSingh-cn9vl
    @AyushiSingh-cn9vl Před 2 lety +17

    Sir i watched this video before my test and i got 98 no in math thankyou sir😊😊

    • @hunterboltegaming3077
      @hunterboltegaming3077 Před 2 lety

      Chal jhooti

    • @angamer316
      @angamer316 Před 2 lety

      @@hunterboltegaming3077 aisa mat bola kar ch*tiye kya pata wo topper ho unhone acche se lecture samjha hai
      Teri tarah thodi na unhe failure hona hai

    • @radhasalvi7121
      @radhasalvi7121 Před 2 lety

      Kitna jhooth bolega yaar

    • @varshita3048
      @varshita3048 Před rokem +1

      Yaha ik raat mai rocket sai chand par nahi pahuchtai yeh ik din phele video dekh kar 98 la rahi hai 😂 majak chal raha hai kya😶

    • @funny-gg3hk
      @funny-gg3hk Před rokem

      Jhooti

  • @riteshgym999
    @riteshgym999 Před 4 měsíci +1

    Mohit sir I am asking this question just out of curiosity as I am a jee aspirant too that after completing your b tech from nit why didn't you take the job of an engineer?

  • @triggeredtigress3954
    @triggeredtigress3954 Před rokem +4

    "HELLO BACHOOOOOOOOOOO"...... i got a jumpscare.. good explanation tho

  • @𝙩𝙖𝙣𝙣𝙞𝙮𝙖𝙩𝙝𝙖𝙠𝙪𝙧01

    Thankyou sir🙏🙏🙏 for this helpful video🔥🔥🔥
    Tommorrow is my maths exam
    And sir you cleared my all doubts of Chapter 1st .😘😘😘
    Thanks a lot sir .

  • @AfganiGaming651
    @AfganiGaming651 Před 3 lety +19

    U guys have no idea how much these videos are helpful to us (students) ... wallahi ... thank u so wala much to the team ....

  • @Jesus02007
    @Jesus02007 Před 11 měsíci +1

    Thanku PW (PHYSICS WALLAH)

  • @prasadashok7693
    @prasadashok7693 Před 4 měsíci +1

    Ritik sir is best teacher ❤
    Miss you ritik sir 😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢

  • @ALIM-ir8mh
    @ALIM-ir8mh Před 2 lety +6

    Everyone asking him to teach in his/her school
    Sir be like : abb kya karu ye job bhi chhod du 🙄

  • @nimisha1182
    @nimisha1182 Před rokem +3

    Sir best h ye lecture...
    Thanks sir...😊❤❤

  • @user-vv6zv4qj8e
    @user-vv6zv4qj8e Před rokem

    Sir peheli baar mujhe ek baar mai samj aaya abhi tak ek baar mai mujhe smj nhi aaya lekin aaj aa gya thank you sir ❤

  • @itsmychannel533
    @itsmychannel533 Před rokem +1

    Sir I have a dout
    When u were finding five rational no. Between 1 and 2 by average method then we have to assume always denominator as 2 in average method ?

  • @shrshtisharma9705
    @shrshtisharma9705 Před rokem +8

    I miss ritik sir Soo much 🥺❣️🥀✨

  • @Kirtikashyap404
    @Kirtikashyap404 Před 2 lety +32

    The way of your teaching sir is outstanding.....❤Thanks for everything..!!!!! 🥰🥰🥰🥰🥰

  • @studywithgaunik7491
    @studywithgaunik7491 Před 4 měsíci +4

    Class start hone se pehle kon kon dekh raha h 😅😅😅😂😂😂

  • @bhavyaagrahari9635
    @bhavyaagrahari9635 Před rokem

    Thank you so much 👍 for this help full video....

  • @atharvdarihare7177
    @atharvdarihare7177 Před 3 lety +5

    sir kya jabardast padhaya hai ! sab samajh aa gaya
    upar se sare doubts bhi khatam ho gaye🙌🙏🙏

  • @omkarpatil8869
    @omkarpatil8869 Před 3 lety +8

    Sir best explaination for me it was hardest subject but after your teaching it's became very easy
    Thanks sir🙏🏻🙏🏻🙏🏻🙏🏻

  • @BushraSaleha-he6ew
    @BushraSaleha-he6ew Před rokem +1

    Sir thanks alotttt this video helps me really in a good amountt😃🥰🥰

  • @hochchocvj
    @hochchocvj Před rokem +2

    Thx sir bahut accha samaj me aya me 95+ launga❤❤❤❤

  • @manojKumar-pu1xw
    @manojKumar-pu1xw Před rokem +4

    Thanks you so much sir for this amazing and wonderful lecture

  • @mdakhtarkhan3833
    @mdakhtarkhan3833 Před rokem +3

    Sir,25.4/4.1 is a rational number?

  • @mamtakumawat7831
    @mamtakumawat7831 Před 10 měsíci +12

    Sir , I just got in 💕 with yours teaching style sir , U r the one who made mathematics fantastic and easiest ❤ , I am so lucky to born ☺️ at the time when ur team is their for us students for our 101% study goal 🥅

  • @Theanimelab_
    @Theanimelab_ Před 10 měsíci +2

    Mera exam h 18 ko isliye mene aaj se padhna shuru kardia maths 🥲

  • @ManishChaudhary-hk9wn
    @ManishChaudhary-hk9wn Před 3 lety +16

    Finally I got a best mathematics teacher
    Mohit sir❤️❤️☺️💯

  • @PraachiRajput-nm5gn
    @PraachiRajput-nm5gn Před rokem +4

    Finally founded a good channel 😌

  • @ShivamKumar-uf3ww
    @ShivamKumar-uf3ww Před rokem +1

    Thank you sir koi bhi doubt nahi all clear

  • @NidhiKumari-lx7dp
    @NidhiKumari-lx7dp Před 2 měsíci

    You are amazing teacher that I didn't see ever in my whole Life 😊😊😊😊😊😊😊😊

  • @akashshukla7014
    @akashshukla7014 Před rokem +18

    Doing Preparation for my exams from your videos
    lots of regards to PHYSICS WALLAH 😍💙🖤

  • @chetnasinghal4015
    @chetnasinghal4015 Před rokem +7

    That a+b/2 was very familiar with trapezium formula only we have to multiply this whole equation by h=height of trapezium😂😂❤❤

  • @Skkatara778
    @Skkatara778 Před 20 dny

    Muje to best channel physics wallah hi lagta h or usme shriman ritik mishra sir bahut ache padhate the so , i miss him.. 😢❤

  • @your_tutor_283
    @your_tutor_283 Před 11 měsíci +3

    Sir bahut acha pada rahe ho👍

  • @sanketkumar4820
    @sanketkumar4820 Před 3 lety +9

    Sir 10 th ki important topic jaise trigo, triangles aur Circles plzz aap padhiye.... A very humble request to physicswallah team

  • @khushikashyap....4503
    @khushikashyap....4503 Před 3 lety +7

    Agr free me aishe teacher mile hme to tution coaching ki jrurat hi nhi hai tution se v achche se smjh aaya sir thank you mujhe maths smjh hi nhi aata tha but now I'm very excited to solve maths questions easily thanks a lot sir🙏🙏🤗🤗🤗🤗🤗🤗🤗🤗

  • @sehnajqureshi1521
    @sehnajqureshi1521 Před 3 měsíci +1

    Thankyou sir for nice explanation 😊

  • @Borgcide
    @Borgcide Před rokem +31

    when i got transferred to a new school they had already taught number system,and i thought it must be a revision chapter but now i know that it was important.

  • @harshyadav_34
    @harshyadav_34 Před rokem +13

    Amazing ✨video ever i have seen 🥺in my whole school journey...

    • @rakhikumari5898
      @rakhikumari5898 Před rokem +1

      @🦋..Rishita congratulations for promoting to class. IX👍👏👏

    • @harshyadav_34
      @harshyadav_34 Před rokem

      @@rakhikumari5898 thanks ❣️

  • @monikakumari739
    @monikakumari739 Před 3 lety +33

    22:45 sir topper bhi sun rahe h dheere bolo 😂

    • @rakhideo2919
      @rakhideo2919 Před 3 lety

      😁😁😁😁😁👍🙏👍👍👍😂😂😂😂😂😂😂😂

    • @bot-fe8yb
      @bot-fe8yb Před 2 lety

      topper spotted

    • @shreyarai3333
      @shreyarai3333 Před 2 lety

      Ha 🤣🤣🤣🤣 insult ho jayegi topper ki 🤣🤣

    • @shreyarai3333
      @shreyarai3333 Před 2 lety

      @DEVIL⚡YT pta nhi bhai 😂😂 97% h waise

    • @ygc3084
      @ygc3084 Před 2 lety

      @@shreyarai3333 AAPKE CHARAN KAHA HAI. GURU👀

  • @SPEEDY_YT07
    @SPEEDY_YT07 Před 4 měsíci +1

    Sir number line samaj main nai aya

  • @Aradhya_art_
    @Aradhya_art_ Před rokem +2

    Thank you sir 🙏🙏

  • @manojthyal8541
    @manojthyal8541 Před rokem +5

    Sir I have doubt
    How can we find a rational numbers between -2/3 and 1/4

  • @viveksrivastava6594
    @viveksrivastava6594 Před 3 lety +19

    Thank you sir. You made my way full of doubts clear.🙏🙏🙏🙏

  • @Queenartist.
    @Queenartist. Před 5 měsíci +3

    I love the maths class 8 by ritik sir

  • @hunnysingh2016
    @hunnysingh2016 Před 11 měsíci +2

    Sir pls upload retail subject too.

  • @Hiii57878
    @Hiii57878 Před 3 lety +3

    Thank you God for this nice teacher

  • @shivsingh-mi6ov
    @shivsingh-mi6ov Před rokem +4

    Thank you sir maja a Gaya aaj ka class me 😊😊

  • @RituSingh-oe9ux
    @RituSingh-oe9ux Před 5 měsíci

    Really sir apka learn ya padhane ka tarika best haii😊

  • @avikaknowledge
    @avikaknowledge Před 4 měsíci

    Finally I got a best mathmatics teacher 👍👍

  • @living_a_lil_more.
    @living_a_lil_more. Před rokem +6

    Thank you so much sir, very helpful 💕😄

  • @whitetigergaming2026
    @whitetigergaming2026 Před rokem +3

    Sir when we have show √7.3 in number line how we can show it

  • @varadchougale1895
    @varadchougale1895 Před rokem

    Tmrw is my exam n now i m watching this 😊😊

  • @Mr_abhay_yadav_
    @Mr_abhay_yadav_ Před 4 měsíci +3

    Kon kon 8th class exam khatam hone ke bad holiday me ye video dekh raha hai😂😂 like karo❤❤

  • @officialBBgamerX
    @officialBBgamerX Před rokem +3

    tommarow is my exam

  • @prateekkumar7368
    @prateekkumar7368 Před 3 lety +4

    Best explanation of rational number