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Physics Chapter 9 Numericals Notes
| Post Topic | Numerical Problem Notes |
| Book Code | Physics |
| Class | 9th Class |
| Chapter/Full | Chapter 9 |
| Board | Punjab Board |
Class 9 Physics Chapter 9 Transfer of Heat Numericals
- The concrete roof of a house of thickness 20 cm has an area of 200 m. The temperature inside the house is 15 °C and outside is 35°C. Find the rate at which thermal energy will be conducted through the roof. The value of k for concrete is 0.65 Wm K.
- How much heat is lost in an hour through a glass window measuring 2.0 m by 2.5 m when the inside temperature is 25 °C and that of the outside is 5°C, the thickness of glass is 0.8 cm and the value of k for glass is 0.8Wm K?
Physics Chapter 9 Problem Notes PDF Download
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The topic of this post is 9th Class Physics Chapter 9 Transfer of Heat Numericals Notes without any PDF file. We add this post to the 9th Class Physics Notes category where students can easily find the Numerical Problem type study solutions and much more that students need to be related to the Class 9 Physics Book.