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Join PAF - Academic Test - Physics - Lights and Optics - Quiz 3

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

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



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



23. What path difference gives constructive interference?



24. What path difference gives destructive interference?



25. What is diffraction?



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



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



28. What does polarisation demonstrate about light?



29. How are electric field vectors in unpolarised light?



30. What does a polariser do?



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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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