Optics Simulator

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Optics Simulator

• Resolving power

Start Here
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Homework for Chapter 4
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The Earth

• Chapter 5

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What is the shape of the Earth?

• Round
• Oblong
• Flat
• Spherical
• Mostly spherical

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Basics of Earth

• Shape - oblate spheroid. (what is that? and why?)
• The size is spherical because of the size - this
  does not happen with smaller bodies

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Which is more like a sphere - the Earth or a
basketball?

• The Earth
• A basketball
• They are both spheres
• Neither are anything like a sphere

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Earth Vs. Basketball

• Radius of the Earth 6,360 km
• Mt. Everest 9,000 meters
• Deepest part of ocean 10,000 meters
• Radius of basketball 0.12 meters

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• staple .00045 m
• Mountain / Earth radius .0016
• bump / basketball .004
• bumps are 4 x bigger than mountains

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Which is the most abundant element in the Earth?

• Carbon
• Water
• Rock
• Oxygen
• Iron

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