Loss of an Electron Gain of an Electron Neither Loss nor Gain VAAA + n= 4 n 3 n 4 n 3 n 2 n 2 n1 n 1

Using the Heisenberg uncertainty principle, calculate Ax for an electron with Av= 0.106 m/s. The mass of an electron is 9.11x10-31 kg. Ax = 3

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Calculate the value of the Rydberg constant in units of You should use your determined value of RH in this calculation. ΔE=RH(1/n^2f−1/^n2i) Use the give rh to convert the Rydberg constant  from units of m−1to the appropriate unit for the energy based on equation above. given rh= 1.138x10^7 m^-1

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1 please

The work function for uranium is 5.768 X 10-19 J. Determine the kinetic energy of an electron that has been emitted from uranium if light of wavelength of 249. nm is shown upon the metal. KE = X 10-18 J Formatting Note: Your Answer X 10-18 J <-- not type this part in your answer. 10-18 J is assumed. Do

rk Assignment: Early Experiments in Quantum Theory • Due in an hour 3/9 answered но6.17 Homework • Unanswered Microwave radiation has a wavelength of 1.0 cm. Calculate the energy of a single photon of this radiation. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. 2.0 x 10-23 J/photon a b 2.0 x 10-24 J/photon 2.0 x 10-25 J/photon 2.0 x 10-26 J/photon Unanswered • 2 attempts left 43°F N

5. The human eye can detect as little as 2.5*10-¹6 joules of light. How many photons of green (510nm) light can your eye detect? How many photons of red (620nm) light can your eye detect? 6. An unknown metal sample is interrogated using a beam of X-rays to liberate electrons which are then caught by a detector that determines their kinetic energy. A beam of X-rays with wavelength 9.54nm irradiate the surface of this metal, and the detector observes electrons with kinetic energies equal to 7.3716*10 J. What is the binding energy of this unknown metal sample.