In a double-slit interference experiment you are asked to use laser light of different wavelengths and determine the separation between adjacent maxima. You observe that this separation is greatest when you illuminate the double slit with
A) blue light.
B) green light.
C) yellow light.
D) red light.
E) The separation is the same for all wavelengths.
D
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Why is it believed that more than one event, such as a collision, led to Uranus' extreme axial tilt?
What will be an ideal response?
Which of the following is not evidence for plate tectonics on Earth?
A) some continental boundaries fit together like pieces of a jigsaw puzzle B) similar rocks and fossils are found in different continents C) high ocean ridges between the continents D) existence of volcanoes E) earthquakes
Of all the various .TYPEs of scientific measurements that are possible to make, which type of scientific measurement has given us the most information about the physical universe?
A) Spatial measurements, i.e., measurements of distance, area, and volume. B) Spectroscopy, i.e., measurements of spectra. C) Measurements of mass and weight. D) Energetics, i.e., measurements of the total energy produced by various physical processes. E) Thermometry i.e., measurements of temperature.
Using graphical techniques, determine the temperature distribution through the concrete slab shown after one hour. The slab is subjected to 10 W/m^2 of heat at the surface, assuming a constant temperature gradient at the surface.
What will be an ideal response?