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How to draw frequency of A.C.mains …

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How to draw frequency of A.C.mains by sonometer

    • Posted by Shumugthaa Shanmugam 4 years, 6 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    P....... ........ 4 years, 6 months ago

    Move wooden bridges P, P outward to include maximum length of wire (AB) between them. Decrease the length of the wire by moving both the bridges equally inwardly. Go on decreasing the length till sonometer wire starts vibrating (a sound is heard). Adjust the length for maximum amplitude of vibration, (maximum sound).

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