2.1 State the mass of an electron, in units of eV and in units of kg.
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A: Given : r = 0.5 Å q1 = -e (for electron charge is negative) q2 = 6e 1Å (Angstrom)= 10^-10m…
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Q: 1. The electronic structure of atoms and molecules may be investigated using photo electron…
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Q: 3. A proton is confined in a uranium nucleus of radius 7.20x10-15 m. Determine the proton's kinetic…
A: Given, The radius of a uranium nucleus is 7.20×10-15m
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Q: Consider the element Hydrogen. In this atom, assume the electron travels with a speed of 6.8 105…
A: given that,speed of electron, v=6.8×105ms
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A: A vector is a quantity having direction as well as magnitude.
Q: An evacuated tube uses an accelerating voltage of 26.026.0-kV to accelerate electrons to hit a…
A: Given data: Voltage, V=26.0 kV = 26.0×103 V Charge on electron, q=1.6×10-19 C Mass of the electron,…
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Q: ← 11:45 HOLIDAY FIRST ASSIGNME... classroom.google.com Page 4 of 8 SUDAY FIRST R₁ 1002 10v V. ☐ Ra…
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Q: The kinetic energy of a proton is 4.70 GeV (1 GeV = 109 eV). Mass of proton = 1.67x10-27 kg. Charge…
A: Given, Kinetic energy of proton,K=4.7 GeV=4.7×109eV Mass of proton,m=1.67×10-27kg Charge of…
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A: Given: Mass of person m=60 kg, Initial velocity u=1 m/s, Final velocity v=0 m/s, Time t=0.05 s.…
Q: In a Millikan oil-drop experiment, a particular oil drop weighs 4.37×10^−14 N. The parallel plates…
A: According to question --- Given that-- Weighs of oil drop = 4.37 × 10 -14 N. Seperation = 1.8 cm.…
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Q: An ultra-relativistic electron radiates in a magnetic field of strength 2 × 10-6 T. The electron has…
A: Step 1: here we have defined the equation Step 2: here we have calculated the energy Step 3: nil…
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Q: Electrons in an electron microscope are accelerated to 2.1 x 108m/s.a. Use the Newtonian formula to…
A: KEnewtonian=0.5mv2=0.59.1×10-31 kg2.1×108 m/s2=2.01×10-14 J Actual kinetic energy.…
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- An evacuated tube uses an accelerating voltage of 55 kV to accelerate electrons to hit a copper plate and produce X-rays. Non-relativistically, what would be the maximum speed of these electrons before hitting the copper plate? Hint Maximum speed of the electrons is m/s. (Use the "E" notation to enter your answer. For example, to enter 3.14 x 10¹2, type in "3.14E12".) Question Help: Message instructor Submit QuestionThe electronic structure of atoms and molecules may be investigated using photoelectron spectroscopy. An electron in a photoelectron spectrometer is accelerated from rest by a uniform electric field to a speed of 420 km s−1 in 10 µs. Determine the kinetic energy of the electron? a. 8.0 x 10-20 N.m b. 1.6 x 10-25 N.m c. 3.8 x 10-25 N.m d. 4..0 x 10-2 N.mSubtract 91 eV from 1.74 keV. Express your answer in scientific notation and using a prefix.
- Which should I choose and why4. Assuming a filament in a 100 W light bulb acts as a perfect blackbody (e = 1). what is the temperature of the hottest portion of the filament if it has a surface area of 6.3 105 m²? The Stefan-Boltzmann constant is 5.67 x 10-8 J/(s. m². K*). a) 130.8 K b) 1100.21 K c) 2300.21 K d) 5800.5 K 5. During an evening news broadcast in Helsinki, Finland, the meteorologist indicated that the day's lowest temperature was -6.0 °C. The corresponding value of this temperature on the Fahrenheit scale is ........ a) -7.2 °F b) 4.0 °F c) 21.2 °F d) 25.5 °FIn a Millikan experiment, two horizontal parallel plates are 3.5 cm apart. A sphere A whose mass is equal to 4.2 x 10^-17 kg remains in suspension, while the potential difference between the plates is 5.00 V and the upper plate is positive.a. Determine the charge on the sphere.b. What is the magnitude of the sphere's excess or deficiency of electrons?