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NUST NET - Practice Test - Physics - Optics - Quiz 3

Practice 10 high yield MCQs on Physics from Chapter Optics for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. What are the focal lengths in a telescope?



22. What is the angular magnification of a telescope?



23. What is required for interference?



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



25. What is the fringe width in double slit interference?



26. What path difference gives constructive interference?



27. What path difference gives destructive interference?



28. What is diffraction?



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



30. What is the condition for minima in single-slit diffraction?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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