The Meter Is Presently Defined as

question 70

Multiple Choice

The meter is presently defined as

• A) one ten-millionth of the diameter of Earth.
• B) the wavelength of a line in the spectrum of krypton-86.
• C) the length of a platinum-iridium bar.
• D) the distance light travels in a vacuum in a very short time.

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Definitions:

MIDI Technology

A technical standard that allows electronic musical instruments, computers, and other equipment to communicate, control, and synchronize with each other.

Electric Current

The flow of electric charge through a conductor, measured in amperes.

Musical Synthesizer

An electronic musical instrument that generates audio signals that can be used to produce music or sound effects.

Synthesized Speech

The artificial production of human speech sounds by computers or other electronic devices, commonly used in text-to-speech (TTS) technologies.