A great video lecture conducted by experienced physics teacher on 12th class physics chapter 21 topic21.1 exercise. Get full understanding or ask any questions.
Exercise Question 1 to 4, ch 21, lec , Exercise - Inter Part 2 Physics
7:44
Exercise Question 5 to 10, ch 21, lec , Exercise - Inter Part 2 Physics
13:02
Exercise Question 11 to 14, ch 21, lec , Exercise - Inter Part 2 Physics
8:41
Exercise Question 21.15 to 21.20, ch 21, lec , Exercise - Inter Part 2 Physics
11:35
Physics Chapter 21 Topics
- 21.1 Atomic Nucleus
- 21.2 Mass Spectorgraphy
- 21.3 Mass Defect & Binding Energy
- 21.4 Explain Radioactivity
- 21.5 Half Life in Physics
- 21.6 Interactions & Radiations with Matters
- 21.7 Radiation Detectors
- 21.8 Nuclear Reactions
- 21.9 Nuclear Fission
- 21.10 Fusion Reactions
- 21.11 Radiation Exposure
- 21.12 Biological Effects of Radiation
- 21.13 Biological & Medical Uses of Radiations
- 21.14 Basic Forces of Nature
- 21.15 Building Blocks of Matter
- Exercise
- Examples
- Numericals
