According to the Rydberg Equation, the Line with the Shortest

question 2

Multiple Choice

According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of

• A)91.2 nm.
• B)1.10 × 10 ⁻² nm.
• C)1.10 × 10 ² nm.
• D)1.10 × 10 ¹⁶ nm.
• E)None of these choices are correct.

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Definitions:

Linear Motion

Motion in a straight line and in one direction, characterized by a constant velocity unless acted upon by external forces.

Pitch Diameter

A critical dimension in thread measurement; it's the diameter of the imaginary cylinder where the thread depth equals half the pitch.

Pitch Diameter

The effective diameter of a screw thread, roughly midway between the major and minor diameters.

Diametral Pitch

A measure of tooth density in gear sets, representing the number of teeth per unit of pitch diameter.