Part AThe nucleus of a typical atom is 5.0 fm (1 fm 10-15 m) in diameter. A very simplemodel of the nucleus is a one-dimensional box inwhich protons are confined. Estimate the energy ofa proton in the nucleus by finding the first threeallowed energies of a proton in a 5.0 fm long box.Express your answer using two significant figures.ΜΕ ΑΣΦE₁ =SubmitRequest AnswerPart BExpress your answer using two significant figures.VAΣdΜΕ ΑΣΦE2 =SubmitRequest AnswerPart CExpress your answer using two significant figures.Η ΜΕ ΑΣΦE3 =SubmitRequest AnswerProvide Feedback???JJJ

Answered: Image /qna-images/answer/bd9f820e-806c-4e41-bfea-d1cf85d37ec7.jpg

Answered: Part A The nucleus of a typical atom is…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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▾ Part A Through what potential difference must an electron be accelerated from rest to have a de Broglie wavelength of 600 nm ? Express your answer in volts. VAΣ ΜΕ ΑΣΦ ? V = Submit Request Answer Provide Feedback V
Please help with problem b
A heat lamp produces 26.8 watts of power at a wavelength of 6.2 μm . Part A How many photons are emitted per second? (1 W=1 J/s.)please answers type words don't image upload thank you.
An X-ray photon with a wavelength of 0.965 nm strikes a surface. The emitted electron has a kinetic energy of 956 eV. Part A What is the binding energy of the electron in kJ/mol? [Note that KE = mv² and 1 electronvolt (1 eV) = 1.602 x 10-1⁹ J.] Express the binding energy of the electron in kilojoules per mole to three significant figures
If the radius of a calcium ion is 0.22 nm, how much energy does it take to singly ionize it? Give your answer in electron-volts (eV) with precision 0.1 eV. Give your answer to 2 significant digits.
b) Explain what the value of the product moment correlation tells you about the relationship between the daily temperature and the household energy consumption. 4.2. Calculate the results of combining errors when substituting values in formulae. 1. The length (x) of a rod is measured with with a ruler with an uncertainty of 0.1. Complete the table for the length of the rod being tripled. Value Uncertainty x/cm 35 0.1 3x/cm 2. The time period of a pendulum is measured by first timing 30 swing. Complete the table to give the time period and its uncertainty. Value Uncertainty 30T/s 75 0.6 T/s 3. You need to find the density of a glass marble. The mass of the marble in grams and the radius in cm are given in the table below, along with the uncertainty in each measurement. mass (m) Using the formula: Density (p). complete the following table: %3D volume (V) Value Uncertainty % uncertainty Mass (m)/g 4.7 0.2 Radius (r)/cm 0.45 0.01 Volume (V)/cm3 4 (use V =ar³) 3 Density (p)/gcm-1
Item 7 An X-ray photon has 37.6 keV of energy before it scatters from a free electron, and 33.7 keV after it scatters. Q Search Part A What is the kinetic energy of the recoiling electron? Express your answer using one decimal place. G| ΑΣΦ K = 3.9 Submit Provide Feedback W Request Answer
The first three energy levels of the fictitious element X are as shown.a. What wavelengths are observed in the absorption spectrum of element X? Give your answers in nm.b. State whether each of your wavelengths in part a corresponds to ultraviolet, visible, or infrared light.c. An electron with a speed of 1.4 × 106 m/s collides with an atom of element X. Shortly afterward, the atom emits a 1240 nm photon. What was the electron’s speed after the collision? Assume that, because the atom is so much more massive than the electron, the recoil of the atom is negligible.
I need some help with the following problem. 1a. What is the maximum number of electrons that can be emitted if a potassium surface of work function 2.40 eV absorbs 5.00 x 10-3 J of radiation at a wavelength of 325 nm? b. What is the kinetic energy and velocity of the electrons emitted?
Part A What is the speed of an electron with a de Broglie wavelength of 0.30 nm ? Express your answer using two significant figures. ΜΕ ΑΣΦ ? v = Submit Request Answer Part B m/s What is the speed of a proton with a de Broglie wavelength of 0.30 nm ? Express your answer using two significant figures. v = ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? m/s
Part C At a local high school track meet, an athlete in the 100 m spring reaches a top speed of 6.6 V(vm m/s)). If the athlete's mass is 59 V{vm kg}\) , what is their de Broglie wavelength? 1.55x10-28 (vm m)\) O 3.41x10-36 vvm m)) 1.70x10-36 V(vm m)\) O 5.87x1035 V{\vm m}\) Submit Request Answer Part D What is the longest wavelength of the Balmer series (\(n'=2\))? O 1.82x10-7 v\m m}\) O 1.22x10-7 {\m m}\) O 3.65x10-7 {\vm m}\) O 6.56x10-7 Vm m}\) O 5.47x10-7 vm m)) Submit Request Answer
In Millikan's oil-drop experiment, one looks at a small oil drop held motionless between two plates. Take the voltage between the plates to be 2161 V and the plate separation to be 2 cm. The oil drop (of density 0.81 g/cm3) has a diameter of 4.0 ×10-6 m. Find the charge on the drop, in terms of electron units. e

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