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Asked: Jun 18th, 2019
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i need someone to solve the question below
Tags: physics chemstry Arkansas Northeastern College eee 459
f14_module_3_photo_electric_effect_worksheet.pdf
f14_module_5_contact_potential_difference_worksheet.pdf
f14_module_5_energy_band_worksheet.pdf
f14_module_3_quantum_numbers_and_selection_rules_worksheet.pdf
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Module 3: Photoelectric Effect Worksheet. Concept Map: Intensity-Energy dependence at a given frequency, frequency effect on stopping potential V0, KE of escaping electron, work function. Consider a-c below. I Saturation I I2 I1 > a) V0 V 0 KEm b) Cs K 03 0 < V01 V02 V03 0 V W slope=h 02 01 3 2 c) 1 To Do: 1) Why is current higher with intensity 2 than 1 in a? 2) Write a clear sentence that explains “in your own words” the effect of frequency of the light on V0 in b. 3) What is the relationship between the slope, KE and frequency?….a math expression 4) If the energy reference is Evac, which metal has the highest work function? 5) Look up and provide work values for the metals in c. cite where you got them. 6) Who won the Nobel Prize in Physics for the P-e E? EEE3394.F14.Mod 3 Photo-electric Effect WS 1 Module 5: Contact Potential Difference Worksheet. Concept Map: Difference between average energy of e-s and vacuum level. http://www.nobelprize.org/nobel_prizes/physics/laureates/1956/bardeen-lecture.pdf Kelvin method. To Do: 1) How did John Bardeen (W. Brattain) use contact potential
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