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href="/w/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%A1%D0%BE%D0%B7%D0%B4%D0%B0%D1%82%D1%8C_%D1%83%D1%87%D1%91%D1%82%D0%BD%D1%83%D1%8E_%D0%B7%D0%B0%D0%BF%D0%B8%D1%81%D1%8C&returnto=%D0%94%D0%B2%D0%B5+%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8+%D0%BF%D0%BE+%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BB%D1%8F+%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&returntoquery=action%3Dinfo" title="Мы предлагаем вам создать учётную запись и войти в систему, хотя это и не обязательно." class=""><span>Создать учётную запись</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%92%D1%85%D0%BE%D0%B4&returnto=%D0%94%D0%B2%D0%B5+%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8+%D0%BF%D0%BE+%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BB%D1%8F+%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&returntoquery=action%3Dinfo" title="Здесь можно зарегистрироваться в системе, но это необязательно. [o]" accesskey="o" class=""><span>Войти</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Больше возможностей" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Персональные инструменты" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Персональные инструменты</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Пользовательское меню" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ru.wikibooks.org&uselang=ru"><span>Пожертвовать</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%A1%D0%BE%D0%B7%D0%B4%D0%B0%D1%82%D1%8C_%D1%83%D1%87%D1%91%D1%82%D0%BD%D1%83%D1%8E_%D0%B7%D0%B0%D0%BF%D0%B8%D1%81%D1%8C&returnto=%D0%94%D0%B2%D0%B5+%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8+%D0%BF%D0%BE+%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BB%D1%8F+%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&returntoquery=action%3Dinfo" title="Мы предлагаем вам создать учётную запись и войти в систему, хотя это и не обязательно."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Создать учётную запись</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%92%D1%85%D0%BE%D0%B4&returnto=%D0%94%D0%B2%D0%B5+%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8+%D0%BF%D0%BE+%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BB%D1%8F+%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&returntoquery=action%3Dinfo" title="Здесь можно зарегистрироваться в системе, но это необязательно. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Войти</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Страницы для неавторизованных редакторов <a href="/wiki/%D0%A1%D0%BF%D1%80%D0%B0%D0%B2%D0%BA%D0%B0:%D0%92%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" aria-label="Подробнее о редактировании"><span>узнать больше</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%9C%D0%BE%D0%B9_%D0%B2%D0%BA%D0%BB%D0%B0%D0%B4" title="Список правок, сделанных с этого IP-адреса [y]" accesskey="y"><span>Вклад</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%9C%D0%BE%D1%91_%D0%BE%D0%B1%D1%81%D1%83%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" title="Страница обсуждений для моего IP [n]" accesskey="n"><span>Обсуждение</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Сайт"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading">Сведения о странице «Две лекции по теоретической физике для школьников»</h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Данная статья существует только на этом языке. Добавьте статью для других языков" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-0" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">Добавить языки</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="uls-after-portlet-link"></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Пространства имён"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2" title="Просмотреть контентную страницу [c]" accesskey="c"><span>Учебник</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/%D0%9E%D0%B1%D1%81%D1%83%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5:%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2" rel="discussion" title="Обсуждение основной страницы [t]" accesskey="t"><span>Обсуждение</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Изменить вариант языка" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">русский</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Просмотры"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="vector-tab-noicon mw-list-item"><a href="/wiki/%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2"><span>Читать</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&action=edit" title="Редактировать данную страницу [e]" accesskey="e"><span>Править</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&action=history" title="Журнал изменений страницы [h]" accesskey="h"><span>История</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Инструменты для страниц"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Инструменты" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Инструменты</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Инструменты</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">переместить в боковую панель</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">скрыть</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Больше возможностей" > <div class="vector-menu-heading"> Действия </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="vector-more-collapsible-item mw-list-item"><a href="/wiki/%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2"><span>Читать</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&action=edit" title="Редактировать данную страницу [e]" accesskey="e"><span>Править</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&action=history"><span>История</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Общие </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%A1%D1%81%D1%8B%D0%BB%D0%BA%D0%B8_%D1%81%D1%8E%D0%B4%D0%B0/%D0%94%D0%B2%D0%B5_%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D0%B8_%D0%BF%D0%BE_%D1%82%D0%B5%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9_%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5_%D0%B4%D0%BB%D1%8F_%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2" title="Список всех страниц, ссылающихся на данную [j]" accesskey="j"><span>Ссылки сюда</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a 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top;"><td>Уникальных авторов за последнее время</td><td>0</td></tr> </table> <h2 id="Свойства_страницы"><span id="mw-pageinfo-header-properties"></span>Свойства страницы</h2> <table class="wikitable mw-page-info"> <tr id="mw-pageinfo-hidden-categories" style="vertical-align: top;"><td>Скрытые категории (7)</td><td><div class="mw-hiddenCategoriesExplanation"><p>Эта страница относится к 7 скрытым категориям: </p></div><ul> <li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%95%D1%81%D1%82%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D1%8B%D0%B5_%D0%BD%D0%B0%D1%83%D0%BA%D0%B8/%D0%B2%D1%81%D0%B5_%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA%D0%B8" title="Категория:Естественные науки/все учебники">Категория:Естественные науки/все учебники</a></li> <li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%9D%D0%B0%D1%83%D0%BA%D0%B0/%D0%B2%D1%81%D0%B5_%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA%D0%B8" title="Категория:Наука/все 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