From 328ab4fae9cbe922d64bc238973000ba73b5e3e0 Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Wed, 3 Feb 2021 11:46:14 +0100 Subject: [PATCH] Update annex.en.md --- .../03.lens/03.lens-beyond/annex.en.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/02.paraxial-optics-simple-elements/03.lens/03.lens-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/02.paraxial-optics-simple-elements/03.lens/03.lens-beyond/annex.en.md index 906f7ad24..389daf295 100644 --- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/02.paraxial-optics-simple-elements/03.lens/03.lens-beyond/annex.en.md +++ b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/02.paraxial-optics-simple-elements/03.lens/03.lens-beyond/annex.en.md @@ -15,7 +15,10 @@ media_order: 'lentille-boule-orleans-1bis.jpg,lensball-brut-820-760.jpg,Einstein ! ! I choose it ! -! A lensball is a polished spherical ball of radius $`R=5 cm`$, made of glass of refractive index value $`n_{glass}=1.5`$. The cathedral is 90 meters high, and you stand with the lensball 400 meters from the cathedral. You look at the cathedral through the lens, your eye being at 20 cm from the center of the lens. What would you expect to see? +! A lensball is a polished spherical ball of radius $`R=5 cm`$, made of glass of refractive +index value $`n_{glass}=1.5`$. The cathedral is 90 meters high, and you stand with the lensball +400 meters from the cathedral. You look at the cathedral through the lens, your eye being at 20 cm +from the center of the lens. What would you expect to see? ! ! * _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_. !