eV to Joules (Defining these Units) Question
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eV to Joules (Defining these Units) Question
Can someone help me define a unit? What is eV and how does it relate to the units Joules?
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Re: eV to Joules (Defining these Units) Question
eV stands for electron volts and 1 eV = 1.602 x 10^-19 Joules, which is given on the constants and equations sheet.
Re: eV to Joules (Defining these Units) Question
Most relevant units and conversions will be provided on the constants and equations sheet that Dr. Lavelle provided us with.
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Re: eV to Joules (Defining these Units) Question
You are not expected to memorizes the eV to Joule conversions because it is given on the constants and equations worksheets, the conversion given on Lavelle's constants and equations paper is 1 eV = 1.674927*10^-19 J (be aware that it is the conversion for J, not kJ)
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Re: eV to Joules (Defining these Units) Question
Sometimes questions will give you a number in terms of eV and you need to convert it to J (or vise versa). The relationship is shown on the formula sheet as everyone said. Be sure to check what the question is asking for so you don't miss the answer due to having incorrect units! :)
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Re: eV to Joules (Defining these Units) Question
The definition of an electron volt is the amount of Ek that an electron gains by accelerating through a volt (in vacuum) of electric potential difference.
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Re: eV to Joules (Defining these Units) Question
An eV is an electron volt. There is an easy conversion between eV and Joules which is that 1 eV is equal to 1.602 x 10^-19 Joules. (So you would just have to multiply eV's by that conversion factor). This is listed on the equation sheet provided by Dr. Lavelle!
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Re: eV to Joules (Defining these Units) Question
eV stands for electric volts. The conversion is 1 eV=1.60218x10^-19 J
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Re: eV to Joules (Defining these Units) Question
An eV is an electron volt, which is the energy acquired by an electron accelerating through a potential difference of one volt. One electron volt is equal to 1.602176565 x 10^-19 J (joules) and one joule is equivalent to 6.241509 x 10^18 electron volts.
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Re: eV to Joules (Defining these Units) Question
An eV is an electron volt. The conversion from eV to joules is: 1 eV = 1.602 × 10-19 J . In particle physics people use something more convenient than the Joule called electron volt (eV) . The reason they use this is that the energies they are measuring in particle collisions are very small and are related to the energies of single particles.
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Re: eV to Joules (Defining these Units) Question
eV stands for electron volts, and the conversion is 1eV = 1.602*10^-19 J
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Re: eV to Joules (Defining these Units) Question
It's another unit used to express energy. The conversion factor is on the formula/constant sheet that we are allowed to use for midterms/finals
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