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KVPY Sample Paper KVPY Stream-SX Model Paper-7

  • question_answer
    A Michelson interferometer invented to form an interference pattern by splitting a light beam into two parts and recombining them after both parts covers unequal distances. This interferometer is used in LIGO appratus. This appratus detects

    A) matter waves

    B)  electromagnetic waves of high frequencies

    C) radio waves from distant galaxies

    D) gravitational waves

    Correct Answer: D

    Solution :

    LIGO stands for Laser Interferometer gravitational wave observatory. These waves propagate from the site of any gravitational disturbance, such as explosion of a supernova or rotation of a double star. It recently (in March 2019) detects gravitational waves.


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