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Question

Identify the correct statement :

This question was previously asked in
CTET 2022 Paper 2 Maths Question Paper (Jan-27-2023) (Eng-Hin-Skt)
The correct answer is

1 hertz is one oscillation per second

Frequency is the number of complete oscillations (vibrations) made by a wave in one second, and its correct SI unit is hertz (Hz), not decibel.

By definition, 1 hertz equals one oscillation (one complete cycle of vibration) per second, so this statement is accurate.

Amplitude is the maximum displacement of a vibrating particle from its mean position and is measured in units of length (such as metres), not in hertz.

Decibel (dB) is the unit used to express the loudness or intensity level of sound, and it is not a measure of the number of vibrations per second.

Hence, the correct statement is that one hertz is one oscillation per second.

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Similar Questions

  1. Calculate the frequency of a pendulum oscillating 80 times in 8 seconds.


Important Questions from Wave

  1. Which of the following is correct?

    I. Sound is a mechanical wave

    II. Sound wave does not need any medium to propagate

  2. At a particular temperature, sound propagates in ______ at the fastest speed .

  3. What is the frequency range of ultrasound?

  4. The atmospheric green house effect is produced mainly by the absorption and re-emission of:

  5. Which of the following are examples of electromagnetic waves?

    a. Television waves

    b. Ultraviolet rays

    c. X-rays

    d. Sun rays

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