Correct: Light travels in straight lines., We can see through transparent materials., Mirror reflects the light in one direction., Paper is an opaque material, The human skin is considered as opaque, Incorrect: Light travels in zigzag lines., We can see through opaque materials., Wood reflects the light in one direction., Paper is a transparent material, The human skin is considered as transparent,

Light

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟