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JEE Main & Advanced Physics Ray Optics Question Bank Self Evaluation Test - Ray Optics and Optical Instruments

  • question_answer
    A point object is kept in front of a plane mirror. The plane mirror is doing SHM of amplitude 2 cm. The plane mirror moves along the x - axis which is normal to the mirror. The amplitude of the mirror is such that the object is always in front of the mirror. The amplitude of SHM of the image is

    A) 0

    B) 2 cm

    C) 4 cm

    D) 1 cm

    Correct Answer: C

    Solution :

    [c] From Fig. (i) and (ii), its is clear that if the mirror moves distance ?A?, then the image moves a distance ?2A?.


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