A stream of electrons passes through a velocity filter where the crossed magnetic and electric fields are 0.020 T and 5.00 × 10^4 V/m, respectively. Find the kinetic energy (in electron volts) of the electrons passing through the filter. [1 eV = 1.60 × 10^?19 J]
17.8 eV
Physics & Space Science
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The wave function as derived in Schrödinger's equation is best described as being a measure of which of the following?
a. particle wavelength c. probability b. photon wavelength d. photon beam frequency
Physics & Space Science
What is a "hypernova," and how do they produce observable gamma ray bursts?
What will be an ideal response?
Physics & Space Science
Answer the following statement(s) true (T) or false (F)
1. Fusion power is completely safe and has no radioactive waste disposal problem. 2. The fusion reactions used in thermonuclear bombs and fusion power experiments are exactly the same as those used in the sun.
Physics & Space Science
Most of the world's water is in
A) icecaps. B) glaciers. C) rivers and lakes. D) the oceans.
Physics & Space Science