Calculate the de Broglie wavelength a)an electron with kinetic energy 50eV. b) an proton with kinetic energy 50eV. c) a 100 g bullet moving at 1200 m/s.
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- MY NOTES ASK YOUR TEACHER PRACTICE ANOTH OBINPHYS8 10.P.005. DETAILS Electrons striking the back of a conventional TV screen travel at a speed of about 1.5 x 107 m/s. What is their de Broglie wavelength (in nm)? nm Need Help? Read It DETAILS OBINPHYS8 10.P.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTH If a proton were traveling the same speed as electrons in a TV picture tube (about 7.7 x 107 m/s), what would its de Broglie wavelength be? The mass of a proton is 1.67 x 10-27 kg. m Need Help? Read It Watch ItA bullet from a .357 Magnum has a mass of 11.66 gms and a muzzle velocity of 387 m/s. What is the de Broglie wavelength of the bullet? Select one: a. 2.34 x 10-35 m b. 1.47 x 103 m c. 1.47 x 10-34 m d. 2.34 x 102 m2. A particle of matter is moving with a kinetic energy of 6.55 eV. Its de Broglie wavelength is 1.34 x 10^-12 m. What is the mass of the particle? 4.68E-26 kg 1.40E-25 kg 1.99E-25 kg 1.17E-25 kg
- A proton has a de Broglie wavelength of 81.20 fm. What is its speed? m/sElectrons striking the back of a conventional TV screen travel at a speed of about 2.7 ✕ 107 m/s. What is their de Broglie wavelength (in nm)?2. A photon has a frequency of 7.50 x 1014 Hz, a. Determine the energy and the momentum of this photon. b. If all the energy of this photon were to be converted to mass, determine the equivalent mass for the particle. c. A microscopic specimen has a wavelength of 8.2 x 10-14m and a speed of 1.1 x 10° m/s. Determine the mass of this microscopic specimen.
- 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 0.30 nm? m/s of19 o oofWhich has the larger de Broglie wavelength, a 0.50 kg ball moving with a speed of 25 m/s or an electron traveling at 2/3 the speed of light? The mass of an electron is 9.11 x 10-31 kg and the speed of light is 3 x 108 m/s. Select one: a. It could be either, depending on the circumstances. b. The ball c. The electron1a) Calculate the de Broglie wavelength of a 0.80 kg ball moving with a constant velocity of 26 m/s (about 60 mi/h). =________m 1b)Calculate the de Broglie wavelength of a 0.62 kg ball moving with a constant velocity of 26 m/s (about 60 mi/h).=_______ m