The measured kinetic energies, KE, of electrons released from metallic B irradiated with light of frequency v were: v/ 1015 s1 KE / 10 19 J 2.0 3.0 4.0 5.0 5.3 11.9 18.5 25.2 State an equation relating KE to v. Plot a graph of KE versus v and use it to determine: (a) the value of Planck's constant, (b) the work function for Be.

Principles of Modern Chemistry
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ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter4: Introduction To Quantum Mechanics
Section: Chapter Questions
Problem 40P: When metallic sodium is dissolved in liquid sodium chloride, electrons are released into the liquid....
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4.
The measured kinetic energies, KE, of electrons released from metallic Be
irradiated with light of frequency v were:
v/ 1015 1
2.0
3.0
4.0
5.0
S.
KE / 101 J
5.3
11.9
18.5
25.2
State an equation relating KE to v.
Plot a graph of KE versus v and use it to determine:
(a) the value of Planck's constant,
(b) the work function for Be.
Transcribed Image Text:4. The measured kinetic energies, KE, of electrons released from metallic Be irradiated with light of frequency v were: v/ 1015 1 2.0 3.0 4.0 5.0 S. KE / 101 J 5.3 11.9 18.5 25.2 State an equation relating KE to v. Plot a graph of KE versus v and use it to determine: (a) the value of Planck's constant, (b) the work function for Be.
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