From 7c067ae99b994d03fcb5bc88bc66af144dd27b55 Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Wed, 3 Feb 2021 15:49:06 +0100 Subject: [PATCH] Update annex.fr.md --- .../instructions-for-levels/30.beyond/annex.fr.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 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 47f091da3..fa35ff8e0 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 @@ -187,10 +187,10 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées !* 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 $`n_{fin}=1.5`$
+! $`\overline{S_1C_1}=+|R|=+5\;cm`$, +! $`n_{ini}=1`$ and $`n_{fin}=1.5`$. !
-! * The second spherical refracting surface +! *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 $`n_{fin}=1`$ @@ -460,7 +460,7 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées ! ! What is the apparent magnification of the cathedral ? ! -! * apparent magnification = angular magnification = magnifying power. +! * Apparent magnification = angular magnification = magnifying power. ! ! * As calculated previously, standing 400 metres from the cathedral, the 90 m heigh ! cathedral sustends the apparent angles of $`\alpha=arctan\left(\dfrac{90}{400}\right)=0.221\;rad=12.7°`$