{"type":"rich","version":"1.0","title":"Chapitre III - Les propriétés des ondes","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/WV1M2HOj-gABlSqY/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/595d4cd873a3fa0001952a98\" frameborder=\"0\" allowfullscreen></iframe>"}