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Thermodynamics

access_time 2026-02-16T13:01:48.735Z face Sonika Agarwal
🔹 1. Definition of Internal Energy Internal Energy (U) is the total energy possessed by a system due to: 1. Kinetic energy of molecules (translation, rotation, vibration) 2. Potential energy of molecules (intermolecular forces, bonds) It includes: Motion of molecules Attractions/repulsions between ...

Online Free White board

access_time 2026-02-16T10:16:03.807Z face Sonika Agarwal
Teaching Whiteboard Teaching Whiteboard Clear Color Size 4 ✨ Click and drag to draw • Use tools above to switch modes...

Online Image Resizer Free Tool

access_time 2026-02-15T18:56:42.163Z face Sonika Agarwal
Image to JPEG Converter - Auto Compress Under 100KB JPEGify âš¡ Instant Conversion Convert to JPEG Under 100KB Convert any image format to optimized JPEG automatically compressed under 100KB. Upload, convert, and download instantly! 1 Upload Image Drop your image here or click to browse Supports PNG, ...

Mock Test Series for waves

access_time 2025-12-04T13:20:05.361Z face Sonika Agarwal
Transverse & Longitudinal Waves — Numerical Quiz Transverse & Longitudinal Waves — MCQ Quiz Transverse & Longitudinal Waves — Numerical MCQ Quiz 10 multiple-choice numerical questions. Select the best option and click Submit. Click Show Answers to reveal correct answers and explanations. 1. A wave ...

Hydrogen Test Paper in Chemistry

access_time 2025-09-01T08:38:23.589Z face Sonika Agarwal
Hydrogen Test Paper in Chemistry Say Yes to New Adventures ✨ Hydrogen – Practice Set (Class 8, ICSE) 🔹 MCQs (12) Q1. The symbol of hydrogen is: a) H₂ b) H c) Hy d) He 👉 Answer: b) H Q2. Atomic number of hydrogen is: a) 0 b) 1 c) 2 d) 3 👉 Answer: b) 1 Q3. Hydrogen was discovered by: a) Cavendish ...