From d6617479f2e3bcc875b4ce4d14a2e9418e41676f Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Wed, 3 Feb 2021 15:14:06 +0100 Subject: [PATCH] Update annex.fr.md --- .../instructions-for-levels/30.beyond/annex.fr.md | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md index e8b9bd73c..b53d46f8c 100644 --- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md +++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md @@ -152,8 +152,8 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées ! For each image of the painting, can you identify the optical system, then specify ` ! the characteristics of the various simple elements that constitute the system and their relative distances? ! -!* _The resolution time is the typical expected time to be allocated to this problem if it was part of an examen for an optics certificate._ -!* _The discovery time is the expected time required to prepare this challenge if you don't have practice. But take as much time as you need._ +! * _The resolution time is the typical expected time to be allocated to this problem if it was part of an examen for an optics certificate._ +! * _The discovery time is the expected time required to prepare this challenge if you don't have practice. But take as much time as you need._ ! ! <\details> !
@@ -171,7 +171,6 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées ! ! What is the optical system giving the image of the painting? ! -! ! * The optical system is composed of two spherical refracting surfaces, centered on the same optical axis. !
!
@@ -179,14 +178,11 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées ! How do you characterize each of the single optical elements that make up this optical system, ! and their relative distances? ! -! ! * The optical axis is oriented positively in the direction of light propagation ! (from the painting towards the lensball). -! ! * The first spherical refracting surface $`DS1`$ encountered by the light has ! the follwing characteristics :
! $`\overline{S_1C_1}=+|R|=+5\;cm`$ , $`n_{ini}=1`$ and $`n_{fin}=1.5`$ -! ! * The second spherical refracting surface $DS2$ encountered by the light has the follwing characteristics :
! $`\overline{S_2C_2}=-|R|=-5\;cm`$ , $`n_{ini}=1.5`$ and $`n_{fin}=1`$ !