Physics, 08.04.2020 03:12 wolfgirl4762
An amateur astronomer grinds a double convex lens whose surfaces have radii of curvature of 40 cm and 60 cm. The glass has an index of refraction of 1.54. What is the focal length of this lens in air?
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The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output
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The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of
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Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves
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What are atoms of the same element with varying number of neutrons
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An amateur astronomer grinds a double convex lens whose surfaces have radii of curvature of 40 cm an...
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