Determine the de Broglie wavelength for i. an electron (mass = 9.1 x 10-31 kg) moving at a speed of 6.0 × 10 m/s and ii. a baseball (mass = 0.15 kg) moving at a speed of 13 m/s. iii. Can you explain why does the baseball not show any diffraction pattern if it passes through the window of width ~ 1m?

Determine the de Broglie wavelength for i. an electron (mass = 9.1 x 10-31 kg) moving at a speed of 6.0 × 10 m/s and ii. a baseball (mass = 0.15 kg) moving at a speed of 13 m/s. iii. Can you explain why does the baseball not show any diffraction pattern if it passes through the window of width ~ 1m?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 1C

See similar textbooks

Similar questions

Electrons with an energy of 0.610 eV are incident on a double slit in which the two slits are separated by 60.0 nm. a) What is the de Broglie wavelength (in nanometers) of these electrons? b) What is the angle between the two second-order maxima in the resulting interference pattern? I really appreciate the help on this question. I've been stumped on it.
Diffraction effects become significant when the width of an aperture is comparable to the wavelength of the waves being diffracted. (a) At what speed will the de Broglie wavelength of a 65-kg student be equal to the 0.76-m width of a doorway? (b) At this speed, how much time will it take the student to travel a distance of 1.0 mm? (For comparison, the age of the universe is approximately 4 * 10^17 s.)
When an aperture's diameter matches the wavelength of the waves being diffracted, the effects of diffraction become noticeable. (A) At what speed would a 75-kg student's de Broglie wavelength be the same as a doorway's 0.76-m width? (b) How long will it take the student to traverse 5.0 millimeters at current speed? (In contrast, the universe is thought to have existed for about 4 * 1017 seconds.)
What are “diffraction pattern” and “electron density map.”? Can you please brielfy explain it and what mathematical function relates the two in an X-ray crystallography experiment?
What are the energy and momentum of a photon of red light of wavelength 620 nanometers (nm)? What is the wavelength (in nm) of photons of energy 2.40 eV?
The electron interference pattern as shown was made by shooting electrons with 50 keV of kinetic energy through two slits spaced 1.0 mm apart. The fringes were recorded on a detector 1.0 m behind the slits.a. What was the speed of the electrons? (The speed is large enough to justify using relativity, but for simplicity do this as a nonrelativistic calculation.)b. Figure is greatly magnified. What was the actual spacing on the detector between adjacent bright fringes?
What speed must an electron have in order for it's de Broglie wavelength to be 525 nm? Show the algebraic form of all equation(s) applied and report your final answer with the correct units and number of significant figures.
(Hand by writing ans.)A certain atom has an energy level of 3.50 eV above the ground state. When excited to this state, it remains 4.0µs, on average, before emitting a photon and returning to the ground state. i) What is the energy of the photon? What is the wavelength of the photon? ii) What is the smallest possible uncertainty in the energy of the photon?
Pls solve this question correctly in 5 min i will give u like for sure. a monochromatic x ray of wavelength 0.1542 nm was irradiated on a sample having BCC structure. if the intensity peaks of (110) plane obtained at a diffraction angle of 45 degree, calculate the inter planar distance.
The electrons in a beam are moving at 18 m/s. (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ∙ s) (a) What is its de Broglie wavelength these electrons? (b) If the electron beam falls normally on a diffraction grating, what would have to be the spacing between slits in the grating to give a first-order maximum at an angle of 30° with the normal to the grating?
Electrons go through a single slit 300 nm wide and strikea screen 20.0 cm away. At angles of +-20.0° from the center of the diffractionpattern, no electrons hit the screen, but electrons hit at all pointscloser to the center. (a) How fast were these electrons moving whenthey went through the slit? (b) What will be the next pair of larger anglesat which no electrons hit the screen?
1. What is the de Broglie wavelength for an electron with speed (a) v = 0.469c and (b) v =0.958c? (Hint: Use the correct relativistic expression for linear momentum if necessary.) 2. Through what potential difference must electrons be accelerated if they are to have (a) thesame wavelength as an x ray of wavelength 0.22 nm and (b) the same energy as the x ray in part (a)? 3. For crystal diffraction experiments, wavelengths on the order of 0.23 nm are often appropriate. Find the energy in electron volts for a particle with this wavelength if the particle is (a) a photon; (b) an electron; (c) an alpha particle (m = 6.64 × 10- 27 kg)