0 0. To do that, let me just draw a simplified version of that picture. The oxygen has 6 valence electrons and thus needs 2 more electrons from 2 hydrogen atoms to complete its octet. Before doing more examples with Snell's Law, which essentially amount to some math problems, what I want to do is get an intuitive understanding for why this straw looks bent in this picture right over here. Topic: Refraction of Light Why does a pencil look bent in water? It looks bent to the refraction of the water and light. 1 decade ago. The reason you see a bent pencil is because when you place it in the water, ripples form and the surface of the water experiences waves as opposed to a surface at rest. Asked by Topperlearning User | 26th Aug, 2014, 09:43: AM Expert Answer: Rays of light from the tip (B) of the pencil bend away from the normal as they go from water to air. But do you know why your magic wand appeared bent in water? Look!! Hey. An example of bent molecular geometry that results from tetrahedral electron pair geometry is H 2 O. So … Your magic wand is not bent or broken!! As a result, the image of the pencil appears to be broken. Relevance. Still have questions? This tutorial explores how fish, observed from the bank of a pond or lake, appear to be closer to the surface than they really are. Lv 6. This light ray changes medium and subsequently undergoes refraction. It is safe!! That was a very cool magic trick!! Thus, the immersed portion of pencil in water appears as CB'. Because when light enters the water and reflects off the pencil, the reflected light rays strike the water surface and is refracted at an angle dependent on the refractive index. Hey!! Wow. Hence, the pencil appears to bent at the water surface. Wow!! Now check this out. When stick is immersed partly in water then light coming from stick refracts at the surface of water due to change in density of medium. Explain with the help of a diagram, why a pencil partly immersed in water appears to be bent at the water surface. Water: Chime in new window. That was a very cool magic trick. 1 decade ago. Topic: Refraction of Light Why does a pencil look bent in water? Ratto. The water molecule is so common that it is wise to just memorize that water is a BENT molecule. The refracted rays appear to come from point B'. why does a pencil look bent in water? As you sight at the portion of the pencil that was submerged in the water, light travels from water to air (or from water to glass to air). Observing Objects in Water. The path of any light beam is deviated (bent) as it goes from one medium to another such as going from air to glass. It is because of refraction of light. 0 0. An object seen in the water will usually appear to be at a different depth than it actually is, due to the refraction of light rays as they travel from the water into the air. AayUoo. Stop crying. Now check this out!! 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