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ECAT Engineering Entry Test 2021 Physics Optical Instruments 1 MCQS Online Preparation Sample Paper Questions with Answer

ECAT Engineering Entry Test 2021 Physics Optical Instruments 1 MCQS Online Preparation Sample Paper Questions with Answer

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2 comments

  1. cyberoopsblog
    November 22, 2016 at 11:46 pm

    Please correct these mistakes:

    3. The revolving power of a lens is given by
    (a) R = 1/?min= D/1.22 ?

    7. A compound microscope is consists of an eye piece of focal length
    (a) Large

    Reply

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