Q5
Need this solved asap. Please help me with solution.
Q5 Need this solved asap. Please help me with solution. 5. Find the kinetic energy of...
Q8 Need this solved asap. Please help me with solution. 8. An electron, starting from rest, accelerates through a potential difference of 21.0 V. What is the final de Broglie wavelength of the electron, assuming that its final speed is not relativistic? nm
Q2 Need this solved asap. Please help me with solution. 2. Radiation of a certain wavelength causes electrons with a maximum kinetic energy of 0.60 eV to be ejected from a metal whose work function is 2.65 eV. What will be the maximum kinetic energy with which this same radiation ejects electrons from another metal whose work function is 2.21 eV?
Q3 Need this solved asap. Please help me with solution. 3. What speed must an electron have if its momentum is to be the same as that of an X-ray photon with a wavelength of 0.15 nm? m/s
5. Find the kinetic energy of an electron whose de Broglie wavelength is 12.0 nm.
5. Find the kinetic energy of an electron whose de Broglie wavelength is 40.0 nm.
Q10 Need this solved asap. Please help me with solution. 10. An proton-antiproton pair is produced by a 1.90 x 10% MeV photon. What is the kinetic energy of the antiproton if the kinetic energy of the proton is 7.93 MeV? Use the following Joules-to-electron-Volts conversion leV = 1.602 x 10-19 J. The rest mass of a proton is 1.67 x 10°4 kg. MeV
5. Find the kinetic energy of an electron whose de Broglie wavelength is 34.0 nm. 6. Light with a frequency of 1.85 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of 4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons? nm
Q9 Need this solved asap. Please help me with solution. 9. A photon of red light (wavelength = 715 nm) and a Ping-Pong ball (mass = 2.20 x 10-kg) have the same momentum. At what speed is the ball moving? m/s
5. Find the kinetic energy of an electron whose de Broglie wavelength is 34.0 nm. J 6. Light with a frequency of 1.85 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of 4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons? nm
Find the kinetic energy of an electron whose de Broglie wavelength is 40.0 nm.