An Energy of 13

question 23

Multiple Choice

An energy of 13.6 eV is needed to remove an electron from the n = 3 state of a lithium atom.If a single photon accomplishes this task,what wavelength is needed? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.6 × 10−¹⁹ J,and 1 nm = 10−⁹ m)

• A)146.3 nm
• B)30.5 nm
• C)13.8 nm
• D)91.4 nm
• E)​234 nm

Understand how compound interest impacts the amortization of loans.

Calculate the amount of interest included in individual loan payments.

Determine the amortization schedule for various loans, including the reduction of principal over time.

Calculate the total amount of interest paid over the amortization period of a loan.

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