What is Radioactivity | Radioactivity | रेडियो सक्रियता क्या होती है | 15 Minutes Show by Rahul sir

What is Radioactivity | Radioactivity | रेडियो सक्रियता क्या होती है | 15 Minutes Show by Rahul sir
#bpsctre4 #bpsctrescience #radioactivity #15minutesshow

If you are preparing for BPSC TRE 4.0/5.0, BPSC AEDO 2025, SSC, Railway, NDA, or school-level Physics (Class 9–12),
this 15-Minute Physics Show by Rahul Sir will give you a clear and simple explanation of Radioactivity (रेडियो सक्रियता) —
one of the most important topics of Modern Physics and frequently asked in competitive exams.

In this session, learn about decay, half-life, nuclear radiation, alpha–beta–gamma rays, and their real-world applications — plus exam-based MCQs.

⚛️ What You Will Learn in This Class:

✅ रेडियो सक्रियता क्या होती है? (Definition of Radioactivity)
✅ Why do atoms become radioactive?
✅ Alpha (α), Beta (β), Gamma (γ) Rays – Properties & Differences
✅ Radioactive Decay Law
✅ Half-Life (अर्धायु) – Easy Explanation
✅ Nuclear Stability & Mass Defect
✅ Real-life uses of Radioactivity
Medicine
Agriculture
Industry
Archaeology (Carbon Dating)
✅ Radioactivity dangers & safety
✅ 30+ Most Expected MCQs (BPSC TRE, AEDO, SSC, Railways)
✅ Previous Year Questions & Important Facts

🎯 Ideal For:

✔️ BPSC TRE 4.0 / TRE 5.0 (Science Subject)
✔️ BPSC AEDO 2025 Science Section
✔️ SSC, Railway, NDA, CDS Aspirants
✔️ CTET / UPTET / SUPER TET (Science Section)
✔️ Class 9, 10, 11 & 12 Science Students
✔️ Anyone who wants clear understanding of Modern Physics

🚀 Why Watch This 15-Minute Class?

🔹 Radioactivity explained in simple, visual, and exam-focused style
🔹 Perfect for quick revision
🔹 Includes formula + tricks + MCQs
🔹 Based on NCERT + competitive exam pattern
🔹 Taught by Rahul Sir, expert in Physics for competitive exams

🧾 How This Class Helps You:

📘 Strengthens conceptual clarity of modern physics
📘 Helps in solving difficult MCQs in seconds
📘 Boosts revision for upcoming exams
📘 Useful for both objective & descriptive type questions


📌 Hashtags:

#radioactivity #physicsclass #rahulsir #bpsctre4 #BPSCAEDO #modernphysics #nuclearradiation #competitiveexams #ssc #railway #physicsmcqs #15minutesshow #scienceclass11 #biharexams z

📌 Don’t Forget To:
👍 LIKE the video
💬 COMMENT your score out of 30 or ask your Physics doubt
📤 SHARE with your Science–preparing friends
🔔 SUBSCRIBE for more 15-Minute Science Shows on Atoms & Nuclei, Nuclear Fission–Fusion, Magnetism, Electric Charge, and more

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What is Radioactivity,
Radioactivity explained in Hindi,
रेडियो सक्रियता क्या होती है,
Alpha Beta Gamma rays,
Half-life physics,
Radioactive decay law,
BPSC TRE Physics,
BPSC AEDO Physics class,
Rahul Sir Physics,
Nuclear radiation in Hindi,
Carbon dating,
Modern physics MCQs,
NCERT Radioactivity