1. The moon is 3.85 3 108 m from the earth and has a diameterof 3.48 3 106 m. You have a pea (diameter 5 0.50 cm) and a dime(diameter 5 1.8 cm). You close one eye and hold each object at arm’slength (71 cm) between your open eye and the moon. Which objects, ifany, completely cover your view of the moon? Assume that the moonand both objects are suffi ciently far from your eye that the given diametersare equal to arc lengths when calculating angles. (a) Both (b) Neither(c) Pea (d) Dime
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
1. The moon is 3.85 3 108 m from the earth and has a diameter
of 3.48 3 106 m. You have a pea (diameter 5 0.50 cm) and a dime
(diameter 5 1.8 cm). You close one eye and hold each object at arm’s
length (71 cm) between your open eye and the moon. Which objects, if
any, completely cover your view of the moon? Assume that the moon
and both objects are suffi ciently far from your eye that the given diameters
are equal to arc lengths when calculating angles. (a) Both (b) Neither
(c) Pea (d) Dime
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