Sound


  1. Match List - I (Electromagnetic wave) with List - II (Discoverer) and select the correct answer using the codes given below
    List-IList-II
    F Infrared waves1.W. Roentgen
    G Ultraviolet rays2.Newton
    H X - rays 3.Herschell
    J Visible rays4.Ritter
    Code
    F G H J
    A. 1234
    B. 3412
    C. 3421
    D. 4312









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    NA

    Correct Option: B

    NA


  1. Match List - I (Eletromagnetic radiation) with List - II (Approximate wavelength in metres) and select the correct answer using the codes given below the lists
    List-IList-II
    F Infrared radiation1.10-12
    G X - rays2.10-5
    H Ultraviolet radiation 3.10-10
    J Gamma rays4.10-8
    Codes :
    F G H J
    A. 2341
    B. 1432
    C. 1342
    D. 2431









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    NA

    Correct Option: A

    NA



  1. Match List - I (frequency range) with List - II (Uses) and select the correct answer
    List-IList-II
    F 54 MHz to 890 MHz1.UHF band
    G 1710 kHz to 54 MHz2.Television waves
    H 88 MHz to 108 MHz 3.Short wave
    J 300 MHz to 30,000MHz4.FM radio
    Code
    F G H J
    A. 1234
    B. 2341
    C. 4321
    D. 3214









  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    NA