An Ultraviolet Light Wave Has a Wavelength of 300 Nm

question 16

Multiple Choice

An ultraviolet light wave has a wavelength of 300 nm and speed of 1.96 × 10⁸ m/s through a transparent medium.What is the frequency of this wave in the medium? (1 nm = 10−⁹ m and c = 3.00 × 10⁸ m/s)

• A)1.00E+15 Hz
• B)3.27E+14 Hz
• C)6.53E+14 Hz
• D)6.53E+5 Hz
• E)​1.28E+7 Hz

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Definitions:

Solvent

Liquid portion of a solution that serves to dissolve a solute.

Solution

Fluid (the solvent) that contains a dissolved solid (the solute).

Tonicity

The ability of a surrounding solution to cause a cell to gain or lose water, depending on the concentration of solutes.

Turgor Pressure

The pressure of water pushing the plasma membrane against the cell wall of a plant cell, contributing to the cell’s rigidity.