Physics Sound and Waves | ध्वनि और तरंगें | Theory Class 12 | NTPC Group D ALP Tech | Pushpendra Sir

Описание: Physics Sound and Waves | ध्वनि और तरंगें | Theory Class 12 | NTPC Group D ALP Tech | Pushpendra Sir

This Theory Class–12 is part of the Railway Rankers Batch, specially designed for all Railway Exams like RRB NTPC, Group D, ALP, Technician and other Railway posts.
In this class, Physics – Sound and Waves (ध्वनि और तरंगें) is explained by Pushpendra Sir in a simple, concept-based and exam-oriented manner, keeping in mind the latest Railway exam pattern and syllabus.
Sound and Waves is one of the most important topics in Railway Physics, from where direct, numerical and conceptual questions are frequently asked. This topic covers fundamentals that are repeatedly tested in NTPC, Group D and ALP exams.
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🔍 Topics Covered in This Class:
• What is Sound (ध्वनि क्या है)
• Types of Waves (तरंगों के प्रकार)
• Sound Waves & Mechanical Waves
• Frequency, Wavelength, Amplitude
• Speed of Sound
• Echo & Reflection of Sound
• Important Formulas for Railway Exams
• Previous Year Question Concepts
• Expected Questions for NTPC & Group D
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🎯 WHY THIS CLASS IS IMPORTANT FOR RAILWAY EXAMS?
• Sound & Waves से हर साल प्रश्न आते हैं
• Concept-based + numerical questions
• Easy scoring chapter in Physics
• Helpful for quick revision before exam
• Strong base for upcoming Physics topics
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This class is highly beneficial for:
• RRB NTPC aspirants
• Railway Group D candidates
• ALP & Technician students
• Beginners in Physics
• Students aiming for maximum accuracy in Physics
📌 Batch: Railway Rankers Batch
📘 Subject: Physics
🔊 Topic: Sound and Waves (ध्वनि और तरंगें)
🎯 Exams: NTPC | Group D | ALP | Tech
👨‍🏫 Educator: Pushpendra Sir
📖 Class: Theory Class–12
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🎁𝘕𝘰𝘵𝘦:-𝘝𝘪𝘥𝘦𝘰𝘴 की 𝘙𝘦𝘤𝘰𝘳𝘥𝘪𝘯𝘨 कभी भी और कितनी भी बार देख सकते है

👉 बैच के फायदे 𝘈𝘥𝘷𝘢𝘯𝘵𝘢𝘨𝘦 𝘰𝘧 𝘵𝘩𝘪𝘴 𝘉𝘢𝘵𝘤𝘩 👈
𝘉𝘢𝘴𝘪𝘤 𝘊𝘰𝘯𝘤𝘦𝘱𝘵𝘴 𝘊𝘭𝘢𝘳𝘪𝘵𝘺
𝘉𝘦𝘴𝘵 𝘈𝘱𝘱𝘳𝘰𝘢𝘤𝘩 𝘵𝘰 𝘴𝘰𝘭𝘷𝘦 𝘢 𝘘𝘶𝘦𝘴𝘵𝘪𝘰𝘯
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𝘍𝘰𝘤𝘶𝘴 𝘰𝘯 𝘤𝘰𝘯𝘤𝘦𝘱𝘵𝘴 𝘢𝘴 𝘸𝘦𝘭𝘭 𝘢𝘴 𝘱𝘳𝘢𝘤𝘵𝘪𝘤𝘦 𝘰𝘧 𝘘𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴
𝘘𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴 𝘚𝘩𝘦𝘦𝘵𝘴 𝘢𝘳𝘦 𝘥𝘪𝘷𝘪𝘥𝘦𝘥 𝘵𝘺𝘱𝘦-𝘸𝘪𝘴𝘦 & 𝘭𝘦𝘷𝘦𝘭-𝘸𝘪𝘴𝘦 𝘢𝘤𝘤𝘰𝘳𝘥𝘪𝘯𝘨 𝘵𝘰 𝘸𝘦𝘪𝘨𝘩𝘵𝘢𝘨𝘦 𝘰𝘧 𝘵𝘰𝘱𝘪𝘤
𝘗𝘳𝘦𝘷𝘪𝘰𝘶𝘴 𝘠𝘦𝘢𝘳 𝘘𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴 𝘢𝘴 𝘸𝘦𝘭𝘭 𝘢𝘴 𝘯𝘦𝘸 𝘛𝘊𝘚 𝘱𝘢𝘵𝘵𝘦𝘳𝘯 𝘘𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴

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