In Part I Different Shapes, laser light was shown through a square prism as shown. What happened when the prism was moved horizontally? What happened when the prism was moved vertically?
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10.Monochromatic light transmitted into a prism cannot be (a) refracted, (b) reflected by 180°, (c) internally reflected, (d) dispersed. 11.Which of the following colors of light is refracted more in a typical transparent medium? (a) blue, (b) yellow, (c) green, (d) red. 12.Dispersion is responsible for (a) diffuse reflection, (b) spherical aberration, (c) chromatic aberration, (d) polarization. 13.The appearance of a "wet spot" on a hot highway in the summer is caused by (a) polarization, (b) reflection, (c) refraction, (d) aberration. 14.Light enters a more optically dense medium at (a) θ₁=θ₂, (b) θ₁>θ₂, (c) θ₁<θ₂, (d) θ₁=θᶜ . 15.When light is incident on the boundary of a less optically dense medium at an angle equal to the critical angle (a) θ₂=90°, (b) θ₁=θ₂, (c) θ₁>θ₂, (d) none of these. 16.A prism disperses white light, forming a spectrum. The best explanation for this phenomenon is that different frequencies of visible light (a) are reflected inside the prism, (b) move at different speeds in the prism, (c) are absorbed inside the prism, (d) polarized inside the prism.
Adi S.
7. Explain: Why does widening the prism cause the beam to bend more? * Increasing the width of the prism increases the amount of glass, which slows light down more, increasing the amount of refraction. Increasing the width of the prism changes the optical density of the glass, which causes more refraction. Increasing the width of the prism increases the angel of incidence, which increases the amount of refraction. Increasing the width of the prism increases the amount of glass, which changes the wavelength of the light, causing more refraction. 8. Observe: Return the Gizmo to its initial settings (n = 1.50, w = 2.0, θ = 0°). 1 point Select White light from the menu at upper left. What happens when white light goes through a prism? Check all that apply. * The white beam bends as it travels through the prism. The white light is trapped inside the prism. The white light is separated into a rainbow of colours. Blue light is reflected off the back side of the prism. The white beam is reflected off the front side of the prism. Red light is reflected off the back side of the prism.
Adam M.
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