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  1. Consider the following statements
    1. sound waves are elastic waves
    2. In sound waves, the vibrations are perpendicular to the direction in which the wave travels.
    Which of these statement is / are correct ?
    1. 1 only
    2. 2 only
    3. Both 1 and 2
    4. Neither 1 nor 2
Correct Option: A

NA



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