Question

frequency definition for class 8
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Answer 1

Characteristics of vibration

The important characteristics of vibrations are its frequency, amplitude and time period. These determine the characteristics of the sound produced.

Frequency:

• The number of vibrations made by the vibrating body in one second is known as its frequency.

• The SI unit of frequency is the hertz (Hz).

Amplitude:

• The maximum extent of vibration of the vibrating body from its mean position is known as its amplitude.

Time period:

• The time taken by the vibrating body for one complete vibration is known as the time period of vibration. It is denoted by T.

• T=1/f and f=1/T

• Time period and frequency are reciprocals of each other.

Answer 2

Answer:

The correct answer of this question is the frequency of vibration is defined as the number of vibrations or oscillations made in one second.

Explanation:

Given - frequency

To Find - Write the definition of frequency.

The frequency of vibration is defined as the number of vibrations or oscillations made in one second. Hertz is the unit of frequency of vibration or oscillation of a vibrating item. The frequency of an object is 1 hertz when it vibrates once per second. The number of waves that pass through a particular place in one unit of time It also represents the number of cycles or vibrations experienced by a body in periodic motion in one unit of time.

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