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Class 11 Physics in Hindi - NCERT Revision

Class 11 Physics in Hindi - NCERT Revision

Written by: PadhaiPaglu
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Chapter-by-chapter NCERT revision for Class 11 Physics, explained in Hindi. One short episode per chapter with a quick quiz and a one-minute recap. Free notes and practice: https://padhaipaglu.com The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus. Education
Episodes
  • Waves

    Waves
    Oct 12 2026
    Waves, Class 11 Physics NCERT Chapter 14: quick revision in Hindi, about 13 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - What a wave carries: energy, not matter - Transverse vs longitudinal waves - The wave equation, amplitude, wavelength and frequency - Speed of a wave: on a stretched string and sound in air - Superposition and reflection of waves - Standing waves, normal modes and harmonics in pipes - Beats and beat frequency Timestamps: 0:00 Introduction 0:20 Roadmap 0:49 What a wave carries: energy, not matter 1:31 Transverse vs longitudinal waves 2:19 Common mistake: wave vs particle direction 2:43 The wave equation and its parts 3:39 Wavelength, period and frequency 4:26 Common mistakes with the 2 pi factor 4:57 Wave speed = frequency times wavelength 5:43 Speed of a wave on a stretched string 6:18 Speed of sound in air: Newton vs Laplace 7:07 Quick quiz 1 7:32 Principle of superposition of waves 8:04 Wave reflection: rigid vs free boundary 8:32 Quick quiz 2 8:55 Standing waves and normal modes 10:05 Harmonics in open and closed pipes 10:40 Common mistakes with standing waves 10:59 Quick quiz 3 11:25 Beats and beat frequency 12:01 One-minute recap The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    13 mins
  • Oscillations

    Oscillations
    Oct 12 2026
    Oscillations, Class 11 Physics NCERT Chapter 13: quick revision in Hindi, about 16 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - Periodic vs oscillatory motion - Period and frequency - Displacement in oscillations - Simple harmonic motion (SHM) - SHM and uniform circular motion - Velocity, acceleration and force law in SHM - Energy in SHM - Simple pendulum period formula Timestamps: 0:00 Introduction 0:17 Roadmap 0:46 Periodic vs oscillatory motion 1:42 Period and frequency 2:24 Quick quiz 1 3:03 What displacement means in oscillations 3:50 Simple harmonic motion (SHM) equation 4:52 Phase vs phase constant mistakes 5:32 SHM as projection of circular motion 6:48 Velocity and acceleration in SHM 8:19 Quick quiz 2 8:43 SHM force law and spring constant 9:48 Energy in SHM: kinetic and potential 10:50 Minus sign and energy mistakes in SHM 11:36 Simple pendulum and its period 13:04 Quick quiz 3 13:38 Small angle approximation trap 14:04 One-minute recap Next chapter: Waves The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    16 mins
  • Kinetic Theory

    Kinetic Theory
    Oct 12 2026
    Kinetic Theory, Class 11 Physics NCERT Chapter 12: quick revision in Hindi, about 13 minutes, with quick quizzes and a one-minute recap. Free NCERT notes, flashcards and practice: https://padhaipaglu.com In this episode: - Atomic hypothesis and structure of matter - Ideal gas equation (PV = nRT) - Kinetic theory of gas pressure - Temperature as average kinetic energy - Law of equipartition of energy - Specific heat of monatomic and diatomic gases - Degrees of freedom and common mistakes - Mean free path of gas molecules Timestamps: 0:00 Introduction 0:18 Roadmap 0:47 Atomic hypothesis and size of atoms 1:34 Ideal gas equation 2:39 Mistake: forgetting to use Kelvin 2:58 Kinetic theory derivation of gas pressure 3:47 Temperature as average kinetic energy 4:45 Quick quiz 1 5:22 Mistake: assuming all molecules have same speed 5:47 Law of equipartition of energy 6:30 Specific heat of monatomic gases 7:37 Specific heat of diatomic gases 8:29 Quick quiz 2 8:59 Specific heat of polyatomic gases and solids 9:59 Mistakes in counting degrees of freedom 10:30 Mean free path of gas molecules 11:26 Quick quiz 3 11:51 Mistake: mean free path vs interatomic distance 12:11 One-minute recap Next chapter: Oscillations The narration is AI-generated (a synthetic voice, not a real person's). Chapter content follows the NCERT syllabus.
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    13 mins
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