A single slit is opened in an opaque barrier. Light is shone through the slit and the diffraction pattern is observed. If the slit is decreased in size to half its original size, by what factor does the width of the central diffraction maximum change?
A. decreases by a factor four
B. Doubles
C. Halves
D. Increases four times
B. Doubles
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Uniform Circular Motion: You need to design a wheel for testing purposes such that its rim will have an acceleration of 1.5 g when the rim is moving at 37 m/s while spinning. What should be the diameter of this wheel?
Fill in the blank(s) with the appropriate word(s).
White dwarfs are all about the same size
Indicate whether the statement is true or false
Why can't the carbon dioxide cycle easily correct for the increasing amounts of carbon dioxide introduced into our atmosphere by industrialization?
A) it operates far too slowly to correct for any short-term changes B) pollution has stopped the carbon dioxide cycle from operating C) the carbon dioxide cycle only influences carbon dioxide produced by natural sources D) it operates far too quickly to correct for any short-term changes
Pattern of stars within a constellation, or composed of a number of constellations