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ECAT - Practice Test - Physics - Optics Quiz

Attempt 10 MCQs on ECAT - Practice Test - Physics - Optics | Quiz 3

21. What lenses are used in a compound microscope?



22. What are the focal lengths of objective and eyepiece in a telescope?



23. What is the magnification of a telescope (angular magnification)?



24. What condition is needed for interference?



25. What does Young's double slit experiment demonstrate?



26. What is the fringe width in Young's double slit experiment?



27. What path difference gives constructive interference?



28. What path difference gives destructive interference?



29. What is diffraction?



30. What is the characteristic of the central maximum in single-slit diffraction?



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