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HEC ETC - USAT GS Entry Test - Physics - Physical Optics - Quiz 2

Practice 10 high yield MCQs on Physics from Chapter Physical Optics for USAT GS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What is special about the central maximum in single slit diffraction?



12. What is a diffraction grating?



13. What is polarization?



14. What device is used to produce polarized light?



15. When unpolarized light passes through a polarizer, what is the transmitted intensity?



16. What does Malus's law state?



17. What did Young's double slit experiment demonstrate?



18. What is the formula for fringe width in Young's double slit experiment?



19. How can the wavelength of light be calculated in Young's experiment?



20. What is observed when white light is used in Young's double slit experiment?



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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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