The Quartz Crystal in a Digital Watch Has a Frequency

question 2

Multiple Choice

The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?

• A) 3.05 × 10^-5 s
• B) 1.53 × 10^-5 s
• C) 9.58 × 10^-5 s
• D) 1.91 × 10^-4 s
• E) 9.71 × 10^-6 s

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Definitions:

Feldspar

A collection of minerals essential for forming rocks, which are highly prevalent in the Earth's crust and utilized in the production of ceramics and glass.

Hematite

A reddish-black mineral consisting of ferric oxide, commonly used as an iron ore or in pigment production.

Halite

A mineral composed of sodium chloride (NaCl), commonly known as rock salt, which forms by the evaporation of saline water in enclosed basins.

Effervesces

The reaction of a substance with acid resulting in the release of gas bubbles, often observed in carbonate minerals.