Physics Light MCQ
16. Question
A thin film is observed in white light. The color of the film seen at a particular point depends on
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17. Question
In an interference pattern produced by two identical slitd, the intensity at the maxima is I, If eigher slit is closed, the intensity at he maxima is Iο. which of the following is true ?
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18. Question
Which of the following is essential for observing diffraction ?
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19. Question
The condition for observing Fraunhofer diffraction from a single slit is that the light wave front incident on the slit should be
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20. Question
For Fraunhofer diffraction, the frist diffraction minima due to a single slit diffraction is θ=30º at for light 5000Å wavelength. The width of the slit is
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