Правка раздела «Answer»
en/13.4.7.md
+1 −1
| ### Statement | |||
| $13.4.7.$ A beam of light of intensity I falls on a plane-parallel plate normal to its surface. Ignoring the absorption and assuming that the reflection coefficient of | |||
| light on each surface of the plate in any direction is equal to k, determine the | |||
| intensity of the beam that passed through it. | |||
| ### Solution | |||
| @@ -10,4 +10,4 @@Solution | |||
| #### Answer | |||
| − | $I | ||
| + | $I'=\frac{1-k}{1+k} I_0$ | ||
| ### Statement | ### Statement | ||
| $13.4.7.$ A beam of light of intensity I falls on a plane-parallel plate normal to its surface. Ignoring the absorption and assuming that the reflection coefficient of | $13.4.7.$ A beam of light of intensity I falls on a plane-parallel plate normal to its surface. Ignoring the absorption and assuming that the reflection coefficient of | ||
| light on each surface of the plate in any direction is equal to k, determine the | light on each surface of the plate in any direction is equal to k, determine the | ||
| intensity of the beam that passed through it. | intensity of the beam that passed through it. | ||
| ### Solution | ### Solution | ||
| @@ -10,4 +10,4 @@Solution | |||
| #### Answer | #### Answer | ||
| $I |
$I'=\frac{1-k}{1+k} I_0$ | ||