Unit of frequency is ______.

Question

Question

This question was previously asked in

SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 10 Aug, 2023 Shift 1)

Answer 1

The correct answer is hertz. Key Points

Hertz is the unit of frequency, which measures the number of cycles per second in a wave or signal.
It is named after Heinrich Hertz, a German physicist who first demonstrated the existence of electromagnetic waves in the late 19th century
The symbol for hertz is Hz and it is commonly used in fields such as physics, electronics, telecommunications, and music.
Other units of frequency include kilohertz (kHz), megahertz (MHz), and gigahertz (GHz), which represent thousands, millions, and billions of hertz respectively.

Additional Information

Seconds (sec) is a unit of time.
- 9,192,631,770 (or 9.192631770 x 10⁹ in decimal notation) cycles of radiation resulting from the cesium-133 atom switching between two levels is equal to one second.
Grams (gm) and centimeters (cm) are units of mass and length respectively.
- According to the International System of Units, one-thousandth of a kilogram is equivalent to one gram, a unit of mass.
- Inches are larger than centimeters; 2.54 cm are equal to one inch.
- One meter is made up of 100 centimeters, and each centimeter is made up of 10 millimeters.