An Electron with Kinetic Energy 2

question 16

Multiple Choice

An electron with kinetic energy 2.80 eV encounters a potential barrier of height 4.70 eV.If the barrier width is 0.40 nm,what is the probability that the electron will tunnel through the barrier? (1 eV = 1.60 × 10^-19 J,m_el = 9.11 × 10^-31 kg,h = 6.626 × 10^-34 J • s)

• A) 1.4 × 10^-2
• B) 2.8 × 10^-2
• C) 5.5 × 10^-2
• D) 1.1 × 10^-2
• E) 1.4 × 10^-1

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Net Operating Working Capital is the difference between a company's operating current assets and its operating current liabilities, indicating short-term financial health.

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The method of assessing and choosing long-term investments consistent with the objective of maximizing shareholder wealth.

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Long-term tangible assets used in the operation of a business, such as buildings, machinery, and equipment, which are not intended for sale.

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The initial investments required to start a project or purchase an asset, often including costs such as capital expenditure and working capital.