EBooks
- Arts & Culture 6205
- Business & Economics 676
- Computers 329
- Dictionaries & Encyclopedias 70
- Education & Science 76865
- Abstracts 73
- Astrology 4
- Biology 8
- Chemistry 3938
- Coursework 15556
- Culture 8
- Diplomas 316
- Drawings 1596
- Ecology 5
- Economy 81
- English 80
- Ethics, Aesthetics 3
- For Education Students 17651
- Foreign Languages 11
- Geography 3
- Geology 1
- History 88
- Maps & Atlases 5
- Mathematics 12624
- Musical Literature 2
- Pedagogics 19
- Philosophy 22
- Physics 15120
- Political Science 5
- Practical Work 59
- Psychology 65
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sociology 9
- Summaries, Cribs 87
- Test Answers 160
- Tests 8753
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 14
- To Help the Entrant 38
- Vetting 382
- Works 13
- Информатика 8
- Engineering 872
- Fiction 708
- House, Family & Entertainment 84
- Law 133
- Website Promotion 70
Task 50127.
Sold: 43
Refunds: 0
Uploaded: 28.02.2014
Content: 50127.jpg 59,18 kB
Refunds: 0
Uploaded: 28.02.2014
Content: 50127.jpg 59,18 kB
Юрий Физик
seller information
offlineAsk a question
Seller will give you a gift certificate in the amount of
Product description
The surface area of the tungsten filament 25 watt vacuum tube is 0.403 cm ^ 2, and its filament temperature 2177 ° C. How many times less energy emits light than a black body of the same surface at the same temperature? Considers that, in a balance, all the heat released in the thread is lost by radiation.
Additional information
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.
Feedback
0| Period | |||
| 1 month | 3 months | 12 months | |
| 0 | 0 | 0 | |
| 0 | 0 | 0 | |
Seller will give you a gift certificate in the amount of 0.08 $ for a positive review.