Question

Choose the correct representation for the unit of
high frequency (mega hertz).
(1) MHz
(2) MHZ
(3) mHz
(4) mhz​

Answer 1

Answer:

The correct representation for the unit of high frequency (meagahertz) is:

MHz

Answer 2

Answer:

The correct representation for the unit of high frequency (mega hertz) is MHz.

Therefore, option (1) is correct.

Explanation:

Frequency is  defined as the number of cycles or vibrations of a body in one unit of time with periodic motion.

• The periodic motion of the body can be in the form of one vibration that passes through a series of positions and returns to the original state which is similar to the simple harmonic motion.
• Frequency of the wave is inversely proportional to time taken by the wave to complete one vibration.

       $F requency =\frac{1}{Time \; interval}$

• Frequency is generally represented by the word (f), but sometimes, the frequency is represented by the Greek letter nu () and omega (ω).  
• The SI unit of frequency of a wave is Hertz (Hz).

• One hertz equals to one cycle per second. 10³ Hz is equal to one kilohertz (kHz) and  10⁶ Hz is equal to one megahertz (MHz).

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