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JEE Main & Advanced Sample Paper JEE Main Sample Paper-22

  • question_answer
    A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500 m/s and in air, it is 300 m/s. The frequency of sound recorded by an observer who is standing in air is :

    A)  200 Hz            

    B)  3000 Hz

    C)  120 Hz                        

    D)  600 Hz

    Correct Answer: D

    Solution :

    Frequency is a characteristic of source and independent of properties of medium.


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