The download is free, but we offer some paid services. Support us by subscribing
Delete ads and speed up browsing the library.
The download starts with the click of a button without waiting for the book to be ready.
No limits for download times.
You can upload unlimited books in the library.
Enable readers to download your books without waiting.
Delete ads on the books that you publish.
No problems with download links for your uploaded books.
Copyright reserved
The book cannot be previewed or downloaded in order to preserve the copyright of the author and publishing house
Not available digitally or on paper through the Noor Library, it is for rating and review
| Author: | جون ودوروثي بول |
| Category: | Light Science [Edit] |
| Language: | Arabic |
| Publisher: | مكتبة لبنان ناشرون السلسلة: العلوم للناشئين |
| Release Date: | 01 Jan 1982 |
| Pages: | 53 |
| Rank: | 316,673 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
يتحدث هذا الكتيب من سلسلة العلوم للناشئين عن الضوء متوقفاً في البدء عند مصدره، وفاعليته، ومن ثم يعرض بالشرح والتوضيح البياني المصور لـ حاسة النظر عن الإنسان ميكانيكية عملها، العناية بالعينين، بعد ذلك يتوقف الكتيب عند موضوع شفافية الضوؤ، ومفهوم الظل، وظاهرة الخسوف والكسوف، وانكسار الضوؤ، وتقنية عمل المبكر والنظارات، ومسألة خرج الألوان، ظهور قوس قزح، أنواع المرايا وتقنية عمل أنواعها، التلسكوب وكيفية تصنيعه، مفهوم أشعة الليزر وعمل صفائح الطاقة الشمسية. كل هذه المسائل تم التعرض لها وشرحها بأسلوب يجمع ما بين الشرح المسهب والتمارين التطبيقية والتجارب الميسرة التي جاءت خصيصاً لعرض كل ما يتعلق بعلم الضوء ومبادئه وتقنيات عمله.
Copyright reserved
The book cannot be previewed or downloaded in order to preserve the copyright of the author and publishing house
Not available digitally or on paper through the Noor Library, it is for rating and review
Be the first one to Rate, Review and Quote from the book
Be the first one to Rate, Review and Quote from the book
E-books are complementary and supportive of paper books and never cancel it. With the click of a button, the e-book reaches anyone, anywhere in the world.
E-books may weaken your eyesight due to the glare of the screen. Support the book publisher by purchasing his original paper book. If you can access it and get it, do not hesitate to buy it.
Publish your book now for free
We require cookies for this site to function. Please enable them to continue.
نحن نظهر لك هذه الرسالة لأننا نحترم خصوصيتك.
By using this website, you consent to us collecting cookies to provide you with a better user experience,
more details.
You cannot browse the site since you refused the use of cookies, as the site relies primarily on them to work.
Intellectual property is reserved for the authors mentioned on the books and the library is not responsible for the ideas of the authors
Old and forgotten books that have become past to preserve Arab and Islamic heritage are published,
and books that their authors are accepted to published.
The Universal Declaration of Human Rights states: "Everyone has the right freely to participate in the cultural life of the community, to enjoy the arts and to share in scientific advancement and its benefits.Everyone has the right to the protection of the moral and material interests resulting from any scientific, literary or artistic production of which he is the author".