Compton Scattering: In a Compton scattering experiment using x-rays, the wavelength of the x-rays increases by 5.0% as the light is scattered at an angle of 60° with its original direction. What was the original wavelength of the light before scattering? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
2.4 × 10-11 m
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The force due to the gravity between two objects depends on the ____,
a. combined mass and velocity of both objects b. mass of each object and the distance between them c. distance of each object from Earth and distance between them d. speed of light and the distance of each object from Earth e. mass of each object and the speed of light
Conversion of Units: A person on a diet loses 1.6 kg in a week. How many micrograms per second (?g/s) are lost?
A. 2.6 × 103 ?g/s B. 1.6 × 105 ?g/s C. 44 ?g/s D. 6.4 × 104 ?g/s
The necessary condition to produce an artesian system is
A) an unconfined aquifer that intersects the land surface. B) a confined aquifer under sufficient pressure. C) a confined aquifer that intersects the water table. D) any of these
During the late Cenozoic, sea level was
A) low-water was tied up in the glaciers that covered the land surface. B) high as melt water from glaciers was released due to warm ocean floors. C) relatively high as ocean floors stood higher and seawater covered the continents. D) relatively low due to rifting activity in the final phase of Pangaea's break-up.