How Much Energy (In EV)does a Photon of Orange Light

question 94

Multiple Choice

How much energy (in eV) does a photon of orange light (λ = 609 nm) have? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10−¹⁹ J,and 1 nm = 10−⁹ m)

• A)3.27 eV
• B)0.31 eV
• C)2.04 eV
• D)0.68 eV
• E)​5.23 eV

---

Definitions:

Marginal Tax Rates

This is the percentage of tax applied to your next dollar of income, varying with taxpayers' income levels within defined tax brackets.

Eligible Dividends

Eligible dividends are those paid by Canadian corporations to Canadian residents, which are eligible for an enhanced dividend tax credit.

CCA Rate

Capital Cost Allowance Rate; a percentage used to calculate the yearly depreciation of tangible property for tax purposes in Canada.

Half-Year Rule

CRA’s requirement to figure CCA on only one-half of an asset’s installed cost for its first year of use.