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-19 20. A polished metal surface requires 1.75 × 10"1º J to remove electrons via the photoelectric effect. When photons with a wavelength of 237 nm strike the surface, what is the speed of the ejected electron? mẹ= 9.11 × 10-3' kg a. 1.36 x 10° m/s b. 3.84 x 10° m/s c. 1.21 × 10° m/s d. 1.48 x 10° m/s e. none of the above

-19 20. A polished metal surface requires 1.75 × 10"1º J to remove electrons via the photoelectric effect. When photons with a wavelength of 237 nm strike the surface, what is the speed of the ejected electron? mẹ= 9.11 × 10-3' kg a. 1.36 x 10° m/s b. 3.84 x 10° m/s c. 1.21 × 10° m/s d. 1.48 x 10° m/s e. none of the above

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Photoelectric Effect Problem** A polished metal surface requires \(1.75 \times 10^{-19}\) J to remove electrons via the photoelectric effect. When photons with a wavelength of 237 nm strike the surface, what is the speed of the ejected electron? Given \(m_e = 9.11 \times 10^{-31}\) kg. Options: a. \(1.36 \times 10^6\) m/s b. \(3.84 \times 10^5\) m/s c. \(1.21 \times 10^6\) m/s d. \(1.48 \times 10^6\) m/s e. none of the above
Transcribed Image Text:**Photoelectric Effect Problem** A polished metal surface requires \(1.75 \times 10^{-19}\) J to remove electrons via the photoelectric effect. When photons with a wavelength of 237 nm strike the surface, what is the speed of the ejected electron? Given \(m_e = 9.11 \times 10^{-31}\) kg. Options: a. \(1.36 \times 10^6\) m/s b. \(3.84 \times 10^5\) m/s c. \(1.21 \times 10^6\) m/s d. \(1.48 \times 10^6\) m/s e. none of the above
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