Вопросы по теме: Дисперсия света, интерференция

object(ArrayObject)#852 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(80) "Урок физики в 11 классе "Интерференция света""
    ["seo_title"] => string(50) "urok-fiziki-v-11-klassie-intierfierientsiia-svieta"
    ["file_id"] => string(6) "280848"
    ["category_seo"] => string(6) "fizika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1453442609"
  }
}

object(ArrayObject)#874 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(80) "Разработка урока "Волновые свойства света". "
    ["seo_title"] => string(42) "razrabotka-uroka-volnovyie-svoistva-svieta"
    ["file_id"] => string(6) "103860"
    ["category_seo"] => string(6) "fizika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1402642397"
  }
}

object(ArrayObject)#852 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(29) "Физика в стихах "
    ["seo_title"] => string(17) "fizika-v-stikhakh"
    ["file_id"] => string(6) "200996"
    ["category_seo"] => string(6) "fizika"
    ["subcategory_seo"] => string(12) "meropriyatia"
    ["date"] => string(10) "1428944179"
  }
}

object(ArrayObject)#874 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(66) "Урок "Спектры и спектральный анализ""
    ["seo_title"] => string(36) "urok-spiektry-i-spiektral-nyi-analiz"
    ["file_id"] => string(6) "275020"
    ["category_seo"] => string(6) "fizika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1452508020"
  }
}