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Physifly
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Class 12th Ray Optics Exercise 9.10
Class 12th Ray Optics Exercise 9.10
What is the focal length of a convex lens of focal length 30cm in contact with a concave lens of focal length 20cm? Is the system a converging or a diverging lens? Ignore thickness of the lenses.
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Видео

How to Prepare for JEE Mains (January 2025)
Просмотров 255День назад
Jee Mains Strategy For January 2025 AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exercise questions JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series Ray optics ncert Jee mains 2025 Ray optics neet Ray optics jee advanced Ray optics challanger Ray ...
Class 12th Ray Optics Exercise 9.9
Просмотров 37День назад
Class 12th Ray Optics Exercise 9.9 An object of height 3.0 cm is placed at a distance of 14 cm in front of a concentric lens of focal length 21 cm. Describe the reflection obtained by a lens. If the object is moved further away from the lens, what happens? AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exercise questions JEE Mains Neet J...
Class 12th Ray Optics Exercise 9.8
Просмотров 25День назад
Class 12th Ray Optics Exercise 9.8 A ray of light is focused at a point P. If (a) a convex lens of focal length 20 cm and (b) a concentric lens of focal length 16 cm are placed at a distance of 12 cm from point P in the path, at what point will this ray be focused? AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exercise questions JEE Mai...
Class 12th Ray Optics Exercise 9.7
Просмотров 58День назад
Class 12th Ray Optics Exercise 9.7 Double-convex lenses are to be manufactured from a glass of refractive index 1.55, with both faces of the same radius of curvature. What is the radius of curvature required if the focal length is to be 20cm? AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exercise questions JEE Mains Neet Jee pyq Ncert E...
Class 12th Ray Optics Exercise 9.5
Просмотров 86День назад
Class 12th Ray Optics Exercise 9.5 A small bulb is placed at the bottom of a tank containing water to a depth of 80cm. What is the area of the surface of water through which light from the bulb can emerge out? Refractive index of water is 1.33. (Consider the bulb to be a point source.) AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exerc...
Class 12th Ray Optics Exercise 9.3
Просмотров 46День назад
Class 12th Ray Optics Exercise 9.3 A tank is filled with water to a height of 12.5 cm. The apparent depth of a needle lying at the bottom of the tank is measured by a microscope to be 9.4 cm. What is the refractive index of water ? If water is replaced by a liquid of refractive index 1.63 up to the same height, by what distance would the microscope have to be moved to focus on the needle? AC CU...
Class 12th Ray Optics Exercise 9.2
Просмотров 552 дня назад
Class 12th Ray Optics Exercise 9.2 2. A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification. Describe what happens as the needle is moved farther from the mirror. AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared Ray optics ncert exercise questions JEE Mains Neet Jee pyq Ncert E...
Class 12th Ray Optics Exercise 9.1
Просмотров 6914 дней назад
Class 12th Chapter 9 Ray optics exercise 9.1 A small candle, 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of curvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image ? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved ? AC CURRENT Full Chapt...
Class 12 Power & Power Factor In AC CURRENT
Просмотров 13414 дней назад
Class 12 Power & Power Factor In AC CURRENT Power in AC CURRENT Power factor in AC CURRENT AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c cu...
Class 12 Resonance & Q Factor In AC CURRENT
Просмотров 20114 дней назад
Class 12 Resonance & Q Factor In AC CURRENT Resonance Quality Factor AC CURRENT Full Chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c current jee challanger A...
CLASS 12 R-L-C Series & Parallel Circuit In AC CURRENT
Просмотров 42414 дней назад
Class 12 R-L-C Series & Parallel Circuit In AC CURRENT AC CURRENT Full chapter ruclips.net/p/PL2-zLU1w1VGEfcHyaa9NNT2CiN3NzeM1J&feature=shared JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c current jee challanger A.c current pyq...
CLASS 12 R-L Circuit, R-C Circuit, L-C Circuit In AC CURRENT
Просмотров 17014 дней назад
Class 12 Physics R-L Circuit R-C Circuit L-C Circuit AC CURRENT JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c current jee challanger A.c current pyq pure Resistive circuit pure Capacitive Circuit pure Inductive circuit Jee Pyq ...
CLASS 12 Pure Resistive Pure Inductive Pure Capacitive Circuit in AC CURRENT
Просмотров 28014 дней назад
Class 12 Pure Resistive, Pure Inductive, Pure Capacitive Circuit in AC CURRENT JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyq series Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c current jee challanger A.c current pyq pure Resistive circuit pure Capacitive Circuit pure Inductive c...
CLASS 12 Average Value RMS Value in AC CURRENT JEE/NEET 2025
Просмотров 25414 дней назад
CLASS 12 AVERAGE VALUE RMS VALUE ..AC CURRENT jee neet 2025 JEE Mains Neet Jee pyq Ncert Exercise Ncert Example Neet pyqseries Physics Class 12 physics Class 11 physics JEE Main 2021 Jee Pyq series A.c current jee Jee mains 2025 A.c current neet A.c current jee advanced A.c current jee challanger A.c current pyq Jee Pyq Pyq series youtube.com/@IITPhysifly?si=2xGXeoWRxfinpwda Insta id instagram....
Class 11 Physics Ncert exercise 4.11 A truck start from rest and accelerate uniformly at 2 ms². At
Просмотров 5521 день назад
Class 11 Physics Ncert exercise 4.11 A truck start from rest and accelerate uniformly at 2 ms². At
Class 11 Physics ncert exercise 4.14 figure 4.16 shows position- time graph of particle of mass 4kg
Просмотров 2921 день назад
Class 11 Physics ncert exercise 4.14 figure 4.16 shows position- time graph of particle of mass 4kg
Class 11 Physics ncert exercise 4.6 A constant force acting of a body of mass 3.0kg change its speed
Просмотров 2621 день назад
Class 11 Physics ncert exercise 4.6 A constant force acting of a body of mass 3.0kg change its speed
class 11th ncert exercise 4.5 A constant retarding force of 50N is applied to a body of mass 20kg
Просмотров 2521 день назад
class 11th ncert exercise 4.5 A constant retarding force of 50N is applied to a body of mass 20kg
class 11 ncert physics exercise 4.9 A rocket with a lift-off mass 20,000 kg is blasted upwards
Просмотров 2521 день назад
class 11 ncert physics exercise 4.9 A rocket with a lift-off mass 20,000 kg is blasted upwards
class11 ncert physics exercise 4.8 The driver of a three-wheeler moving with a speed of 36 k
Просмотров 2421 день назад
class11 ncert physics exercise 4.8 The driver of a three-wheeler moving with a speed of 36 k
class 11th physics ncert exercise 4.10 A body of mass 0.40 kg moving initially with a constant speed
Просмотров 3621 день назад
class 11th physics ncert exercise 4.10 A body of mass 0.40 kg moving initially with a constant speed
class 11th ncert exercise 4.7 A body of mass 5 kg is acted upon by two perpendicular forces 8 N and
Просмотров 3721 день назад
class 11th ncert exercise 4.7 A body of mass 5 kg is acted upon by two perpendicular forces 8 N and
In the given circuit diagram, a wire is joining points B and D. The current in neet / jee physics
Просмотров 2721 день назад
In the given circuit diagram, a wire is joining points B and D. The current in neet / jee physics
In the given circuit "a" is an arbitrary constant. The value of m for which neet/ jee mains physics
Просмотров 1621 день назад
In the given circuit "a" is an arbitrary constant. The value of m for which neet/ jee mains physics
Equivalent resistance between the adjacent comers of a regular n-sided polygon of jee neet physics
Просмотров 2828 дней назад
Equivalent resistance between the adjacent comers of a regular n-sided polygon of jee neet physics
In the given circuit, the equivalent resistance between the terminal A and B isJEE Main 2023)
Просмотров 2428 дней назад
In the given circuit, the equivalent resistance between the terminal A and B isJEE Main 2023)
In the given circuit the cells have zero internal resistance. The currents (in Amperes) jee / neet
Просмотров 2428 дней назад
In the given circuit the cells have zero internal resistance. The currents (in Amperes) jee / neet
When the switch S, in the circuit shown, is closed then the value of current i will be: JEE physics
Просмотров 928 дней назад
When the switch S, in the circuit shown, is closed then the value of current i will be: JEE physics
How to Model a Torch Battery with Cylindrical Bars
Просмотров 3428 дней назад
How to Model a Torch Battery with Cylindrical Bars

Комментарии

  • @MokshitKalRa
    @MokshitKalRa День назад

    Sir why we took tension is opposing force in 5:28, The equation F-T-N = 100×26 you wrote, why it can't be F+T-N= 100×26 ????

    • @IITPhysifly
      @IITPhysifly День назад

      Puri system horizontal me motion kr rhi hai to horizontal direction me force ka FBD draw kiya hai video me ......vha pe tension oppose kr rhaa hai is liye

  • @Kanch.4
    @Kanch.4 5 дней назад

    When you're going to make video on magnetism and matter..???

  • @biologybyvinasparmar9071
    @biologybyvinasparmar9071 6 дней назад

    Informative video very useful for jee students 👍

  • @APatelShrey
    @APatelShrey 6 дней назад

    Wonderful and on point strategy 💯 Thank you sir will try to solve as many pyqs and NCERT as possible with time ⏱️

  • @Dharmik-dharisth
    @Dharmik-dharisth 6 дней назад

    Thnks sir ❤

  • @jashmehta2517
    @jashmehta2517 6 дней назад

    Thank you sir for your research and time! Will give my best in remaining days⚡

  • @Tapkudi
    @Tapkudi 9 дней назад

    Sir please Teach EMI...or Magnetism and Matter... As soon as Possible

    • @IITPhysifly
      @IITPhysifly 9 дней назад

      I'll start first magnetism and matter nd then EMI Bcoz in EMI ......required to smart board ......in ipad that's not possible so..

  • @adilsuraiya7472
    @adilsuraiya7472 9 дней назад

    Superb

  • @Drsquad1211
    @Drsquad1211 9 дней назад

    Wonderful explanation 🔥🔥

  • @Jonathan-jee2025
    @Jonathan-jee2025 9 дней назад

    7:18 Sir I am preparing for neet 2025, is ncert and neet pyqs more than enough if I start now😔

    • @IITPhysifly
      @IITPhysifly 9 дней назад

      First of all clear ncert nd pyq .... After that inform me then I'll suggest you for next step ......

  • @jay12347
    @jay12347 9 дней назад

    Sir still waiting for the physics stategy video , please bring it as soon as possible with your all do's and don'ts in last 2 months for Jan JEE mains attempt 1

    • @jashmehta2517
      @jashmehta2517 9 дней назад

      Yes sir plz bring stategy video, and plz mention about specially about revision (? By theory revision or questions) and also main high weightage chapters

    • @Dharmik-dharisth
      @Dharmik-dharisth 9 дней назад

      ​@@jashmehta2517yes strategy is indeed required

    • @IITPhysifly
      @IITPhysifly 9 дней назад

      I'll upload within 2 days.....

    • @APatelShrey
      @APatelShrey 9 дней назад

      Yes sir please share the strategy video for JEE MAIN 2025 January attempt

    • @IITPhysifly
      @IITPhysifly 9 дней назад

      Yes sure ......champion

  • @user-wi7kr1fr7f
    @user-wi7kr1fr7f 11 дней назад

    Please make videos on EMI.

  • @Drsquad1211
    @Drsquad1211 15 дней назад

    Easiest explanation ever🔥🤩 Thank you sirji🔥🤩

  • @jashmehta2517
    @jashmehta2517 17 дней назад

    wonderful explanation, will try my best till the last for jee!!

  • @meethingu5872
    @meethingu5872 18 дней назад

    Yes sir please strategy needed 🙏

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      Yes I'll try as soon as possible

  • @jay12347
    @jay12347 18 дней назад

    Sir a genuine request, plz upload a strategy video for jee mains 2025 on how to score 85+. Also tell us high weightage chapters

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      As soon as possible ....

    • @Jonathan-jee2025
      @Jonathan-jee2025 18 дней назад

      Yesss sirrrr 🎉 in strategy tell all the reality, even if it is harsh for us. And request to also cover best way for revision??? Notes REVISE? Or short notes? Or revision through questions (pyqs)? Or how? Best effective way for revision 📦 Edit-(face ke saath video sir , motivation milna chaiye)

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      ​@@Jonathan-jee2025yes sure......I'll tell all the things .....

  • @jashmehta2517
    @jashmehta2517 18 дней назад

    5:28 relatable ho gaya sir, me in offline(except one sir) no resonance 😢 Me in online yt 95% resonance Me in physifly 100% resonance 🙌

    • @jay12347
      @jay12347 18 дней назад

      💯💯

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      Thanks champion...... I'll try that resonance frequency is maintaine 😅

  • @KenilBhardwaj-y6u
    @KenilBhardwaj-y6u 18 дней назад

    Sir aap bohot acha physics padha rahe ho, mere AC ke sare doubts clear ho gaye, sir aap jesa achha teacher kahi pe offline padhte ho? Big fan from Kota......

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      Thanks champion 🏆 .... Keep watching.......

  • @Drsquad1211
    @Drsquad1211 19 дней назад

    Thank you sir for such amazing videos🔥🔥

  • @vatsdetroja3385
    @vatsdetroja3385 20 дней назад

    Wonderful lecture 🎉 Need more of other chapters...

    • @IITPhysifly
      @IITPhysifly 19 дней назад

      Will upload soon champion

  • @diya5189
    @diya5189 20 дней назад

    Nice conceptual explanation sir👍🏻

    • @IITPhysifly
      @IITPhysifly 20 дней назад

      Thanks and welcome champion 🏆

  • @parashirani4260
    @parashirani4260 20 дней назад

    really good explain udaysir 👍

  • @ronitchandarana7386
    @ronitchandarana7386 20 дней назад

    Finally ab jaake concept clear huaa thank you sir 🔥

  • @jashmehta2517
    @jashmehta2517 20 дней назад

    Finally face reveal 🔥🎉 Tbh,Smart board lecs are way more interactive!

  • @Drsquad1211
    @Drsquad1211 20 дней назад

    Wonderful explanation🔥🔥 Waiting for more videos🤩🤩

  • @jashmehta2517
    @jashmehta2517 20 дней назад

    Physifly- LEARN LIKE NEVER BEFORE!🏆

    • @IITPhysifly
      @IITPhysifly 20 дней назад

      Thanks champion 🏆 🥇

  • @aadityazala07
    @aadityazala07 20 дней назад

    Very informative and Good Question Explanation Sir 👍🏻👏🏻

    • @IITPhysifly
      @IITPhysifly 20 дней назад

      Thanks and welcome champion 🏆

  • @yuvrajbarai1266
    @yuvrajbarai1266 20 дней назад

    Very nicely explained 👍🏻

  • @Someoneyoudontknow_01
    @Someoneyoudontknow_01 26 дней назад

    Love you sir ji ❤❤❤

  • @saathviksutarsaathvik_IIT25
    @saathviksutarsaathvik_IIT25 Месяц назад

    sir ek doubt hai kyu tension us bade block ke motion ko oppose karega? not understood this part 5:12

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Yahaaa pe string jo hai voo bade block ke sath connected hai or body k sath connected sare part pe jo force lagta hai voo sare lene pdege ....... Vaha pe tension oppose karega ......vo point pe tension ek downward direction me bhi hai lekin vo nhi karege kyuki voo koi effect nhi karega

    • @Shreyas-q1u
      @Shreyas-q1u 9 дней назад

      @@IITPhysifly thankyou sir mujhe yahi doubt ho rha tha ki neeche wali tension kyu nahi le rhe the , ab realize hua ki bas lene ki zarurat nahi thi...

  • @APatelShrey
    @APatelShrey Месяц назад

    Please upload the video of friction between both surface

  • @IITPhysifly
    @IITPhysifly Месяц назад

    Horizontal surface me friction force = umg Agar is force ko mass se divide kr loo to acc mil jayegaa So acc = umg /m = ug

  • @DrDoomer
    @DrDoomer Месяц назад

    seedhe acceleration ko Ug kaise daala sir

  • @ANKURPAL-r8p
    @ANKURPAL-r8p Месяц назад

    Sir...bina pseudo force use kiye bataiye na...🙏

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Pseudo kr ke hi assan rahega beta......isme tuje samaj ayaa ki Orr method btaau.......?

    • @ANKURPAL-r8p
      @ANKURPAL-r8p Месяц назад

      @@IITPhysifly sirji 🙏 actually ...pseudo se maine kr liya tha i was trying to do this without using pseudo force.....nd was not getting the right answer...isiliye maine aapko bina pseudo use kiye iska solution puccha...

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Me ek or method se kr k jldi hi upload kr duga

  • @Tsheth57
    @Tsheth57 Месяц назад

    Wahh sir wahh , really good explanation 😃😃👍

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Thanks and welcome champion 🏆

  • @jashmehta2517
    @jashmehta2517 Месяц назад

    🔥🔥

  • @krantikumar1669
    @krantikumar1669 Месяц назад

    Thank u so much sir ❤❤❤❤

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Most welcome champion 🏆

  • @IITPhysifly
    @IITPhysifly Месяц назад

    Write your doubt here I'll upload your doubt ....

  • @stavankanabar7030
    @stavankanabar7030 Месяц назад

    Neet pyq please

    • @IITPhysifly
      @IITPhysifly Месяц назад

      Yaaa sure...... Tell me name of chapters

  • @stavankanabar7030
    @stavankanabar7030 Месяц назад

    Wahh sir wahh

  • @AnilPandav-o6o
    @AnilPandav-o6o Месяц назад

    Vah ramani sir vah good explanation

  • @ramaniparth439
    @ramaniparth439 Месяц назад

    A to physics ni karamt 6e

  • @concentratingmind8634
    @concentratingmind8634 2 месяца назад

    Very nice explanation sirr 🎉🎉

  • @bighit2848
    @bighit2848 2 месяца назад

  • @christyjophy7047
    @christyjophy7047 3 месяца назад

    Thank you so much sir ❤

  • @mokbulhussain8730
    @mokbulhussain8730 3 месяца назад

    Thank you sir ❤❤

  • @vijayvlogs5086
    @vijayvlogs5086 3 месяца назад

    Nice very nice explanation sir❤❤

  • @TheatresTalk
    @TheatresTalk 7 месяцев назад

    5 m not wale ka torque zyada ha to body usi taraf rotate karega na phir to dono masses ka moment anticlockwise ho jayega phir opossite kese hua ?

    • @IITPhysifly
      @IITPhysifly 18 дней назад

      Vo jo tu soch rhaa hai vo net niklke aayega uske baad dono anticlockwise ghumege.....Orr ye usika angular acceleration mila Lekin ye nikalne k liye pehle calculations krne me to hame yahi dekhna pdega ki anticlockwise ghumane me kon kon oppose krega

  • @GunjanBhardwaj-y6i
    @GunjanBhardwaj-y6i 8 месяцев назад

    Sir ye kaise pata ki solid sphere h ya Hollow

    • @IITPhysifly
      @IITPhysifly 7 месяцев назад

      Agar questions me mention nhi hai to solid man k calculations kr loo

  • @Devrajj1
    @Devrajj1 10 месяцев назад

    One subscriber added Best explanation

    • @IITPhysifly
      @IITPhysifly 10 месяцев назад

      Thanks and welcome