8th Class Science Sound Question Bank Sound

  • question_answer
    Direction: Read the given paragraph and answer the following questions.
    Two metal rulers of lengths 30 cm and 60 cm are kept in such a manner that a 30 cm ruler extends about 15 cm over the edge and a 60 cm ruler extends about 30 cm over the edge. Both the ends are flicked.
    Read the given statements and select the correct option.
    Statement 1: The note heard in the vibration of 30 cm ruler is louder when flicked with larger amplitude.
    Statement 2: Loudness of a sound depends on the amplitude of vibrations.
     

    A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

    B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

    C) Statement 1 is true but statement 2 is false.

    D) Statement 1 is false but statement 2 is true.

    Correct Answer: A


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