If a Quantum of Radiation Has an Energy of 3

question 23

Multiple Choice

If a quantum of radiation has an energy of 3.0 keV,what is its wavelength? (h = 6.63 × 10−³⁴ J⋅s,1 eV = 1.60 × 10−¹⁹ J,c = 3.00 × 10⁸ m/s,and 1 nm = 10−⁹ m)

• A) 0.62 nm
• B) 0.32 nm
• C) 0.41 nm
• D) 1.02 nm

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Years

A unit of time used to measure duration, typically used to denote experience or age.

Trust Fund

A legal arrangement through which assets are held by a trustee for the benefit of another party, often used for estate planning or to manage wealth.

Scholarships

Financial aid provided to students based on academic or other achievements to support their education, and does not have to be repaid.

Rate of Return

The percentage of increase or decrease in the value of an investment over a given period, adjusted for any payouts.