Question
What is the abbreviation for megahertz?
Answer Options
- A) mHz
- B) mh
- C) MHz
- D) Mh
Correct Answer: C
Explanation
The correct abbreviation for megahertz is MHz. The capital ‘M’ is the standard metric symbol for the prefix ‘Mega-’, representing 1,000,000 or 10^6. The ‘Hz’ is the symbol for Hertz (T5A06).
Using a lowercase ‘m’ in ‘mHz’ is incorrect because it is the standard abbreviation for millihertz (one one-thousandth of a hertz), which is not what is meant when talking about radio frequencies in the megahertz range.
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