When viewed from a side, apparent rise of the bottom of the pencil is more and hence the pencil looks more bent. Refraction of Light Experiment : Bending Pencil: Materials you will need: • Pencil • Water • Clear Glass or Jar . Why Does a Pencil Look Bent in Water? Wooden pencil in a glass of water Refraction caused the pencil in the glass is large. Look at the pencil from the top. The light bends when it passes from water to air on top of the water. Refraction is a physics concept that refers to how a wave travels through a medium. 4. Because of refraction parts of the pencil in water appear to rise up. That occurs because of the difference in the density of different mediums. pencil, bent pencil, pencil in water, refract, refraction, optical illusion, water, angle of refraction, index of refraction, physics Public Domain. Play this game to review Optics. As a result, the image of the pencil appears to be broken or bent. The red pulse travels faster because its index of refraction is smaller. In this case, we're looking at how light waves travel through the air, through water … Can light play tricks on your eyes? For example, moving from water to air would produce this behavior. Each pencil represents a different element of school spirit—teamwork, pride, unity, attitude, dedication, and fun. A student placed a pencil in a cup of water. 3. What happens when the spirit pencils are removed? As you look at the portion of the pencil that is submerged in the water, light travels from water to glass to air. Illustration about Refraction. Light bends when it passes from one medium (water) into another medium of a different density (air). Illustration of bent, isolated, liquid - 163824366 Bending happens whenever light changes medium in which it’s traveling. This light ray changes medium consisting of different densities, and subsequently undergoes refraction. Free for commercial use, DMCA Contact Us This bending of light, called refraction, causes the apparent position of the coin to change to a shallower position 1 (see diagram).. Discussion. https://www.khanacademy.org/.../reflection-refraction/v/refraction-in-water Looking at a straight object, such as a pencil in the figure here, which is placed at a slant, partially in the water, the object appears to bend at the water's surface. Look at the pencil from the side. As the pencils pass through the water, the student body helps to magnify the message of involvement and participation in school activities throughout the year. Why. The blue pulse travels faster. A student placed a pencil in a cup of water. Above the water, the light reflects from the straw through the air and glass to your eyes. Refraction occurs when light goes through a water surface since water has a refractive index of 1.33 and air has a refractive index of about 1. ... Place the pencil in the water. Refraction, on the other hand, means bending of the light. Initially, the rays emerging from the coin do not fall on the eye. The pencil appears broken because light-Preview this quiz on Quizizz.