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

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Definitions:

Animal-Skin Decorators

This likely refers to artisans or craftspeople who specialize in decorating items with animal skin, though it isn't a widely recognized term in art or craft.

Ceramic Artists

Artists who specialize in creating art pieces using clay and other ceramic materials, employing techniques like shaping, glazing, and firing.

Weavers

Individuals skilled in the craft of weaving, creating textiles or fabrics from threads by interlacing them on a loom.

Engraving

The process of cutting or carving a design onto a hard surface, often used for printmaking.