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What shape are the images that are cast on the ground as light filters through foliage during a solar eclipse?
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They are crescents, shaped like the partially eclipsed crescent sun. They vanish during totality.
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How many polarized filters are needed minimally to block light intensity?
A) one filter B) three filters perpendicular to each
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To answer the first question about the number of polarized filters needed to block light intensity,
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How many polarized filters are needed minimally to block light intensity?(1 point)
Which of the following is the best option? a)
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B) two filters perpendicular to each other
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Why do scientists study images made with parts of the electromagnetic spectrum other than visible light?
A)These images are the
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You're correct! Scientists study images made with parts of the electromagnetic spectrum other than
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A girl of height 120 cm is walking towards a light on the ground at a speed of 0.6 m/s. Her shadow is being cast on a wall
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draw a diagram. Using similar triangles, if her shadow has height h when she is x cm from the light,
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Lesson 6: Filtering a Database quiz
1. What is the purpose of filters in a database? A. Filters allow you to see only the records
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correct.
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In an experiment with light, Rodney used 6 square polarized filters, 3 in. on a side. What was the total surface area of the
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6 * 3^2 = ?
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What happens to the temperature of a white shirt in the sunlight?
Responses It gets warmer because it filters light. It gets
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It gets warmer because it absorbs light.
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