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    a wave produces 40 crests and 40 troughs in 0.2 seconds. calculate the frequency of the wave.

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    A wave produces 40 crests and 40 troughs in 0.2 seconds. Calculate the frequency of the wave.

    A wave produces 40 crests and 40 troughs in 0.2 seconds. Calculate the frequency of the wave.

    Byju's Answer Standard IX Physics

    Time Period and Frequency

    A wave produc... Question

    A wave produces 40 crests and 40 troughs in 0.2 seconds. Calculate the frequency of the wave.

    A 200 H z B 300 H z C 400 H z D 500 H z Open in App Solution

    The correct option is C

    200 H z

    We know that one crest and one trough makes one oscillation. Therefore, 40 crests and 40 troughs make 40 oscillations.

    The time taken for 40 oscillations = 0.2 s.

    Frequency = N u m b e r o f o s c i l l a t i o n s T i m e t a k e n = 40 0.2 = 200 H z . Suggest Corrections 2

    SIMILAR QUESTIONS

    Q.

    A wave source produces

    20 crests and 20 troughs in 0.2 s e c

    . Find the frequency of the wave.

    Q. A source of wave produces 40 crests and 40 troughs in 0.4 seconds. What is the frequency of the wave?Q. A wave produces 40 crests and 40 troughs in 0.2 seconds. Calculate the frequency of the wave.Q. A sound-wave source produces

    20 crests and 20 troughs in 0.2

    seconds. Find the frequency of the wave.

    Q. A wave source produces 50 crests and 50 troughs in 0.2 seconds. Find the frequency of the wave.

    View More EXPLORE MORE

    Time Period and Frequency

    Standard IX Physics

    स्रोत : byjus.com

    A source of wave produces 40 crests and 40 troughs in 0.4 second. Find the frequency of the wave :

    Click here👆to get an answer to your question ✍️ A source of wave produces 40 crests and 40 troughs in 0.4 second. Find the frequency of the wave :

    Question

    A source of wave produces 40 crests and 40 troughs in 0.4 second. Find the frequency of the wave :

    A

    50Hz

    B

    80Hz

    C

    100Hz

    D

    200Hz

    Medium Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is C)

    Crest is a point of a wave where the displacement of swaying particles become maximum and Trough is a point of wave where displacement of swaying particles is minimum. The wave length is the distance between two closest crests or the distance between the two closest troughs. As we see 2 crests are related with one wavelength and 2 troughs are related with one wavelength. So if 40 crests and 40 troughs are there it means there are 40 wavelengths.

    If 40 wavelengths produced in 0.4 seconds, then, 40 m/0.4 s wavelengths are produced in 1 second. Wavelengths produced per second is the frequency of the specific wave.

    So the frequency of the sound is = 40 m/0.4 s = 100 Hz.

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    A source of wave produces 40 crests and 40 trough in 0.4 s. Find the frequency of wave.

    A source of wave produces 40 crests and 40 trough in 0.4 s. Find the frequency of wave.

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    A source of wave produces 40 c...

    A source of wave produces 40 crests and 40 trough in 0.4 s. Find the frequency of wave.

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