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Question 1 of 7
1. Question1 point(s)
In a single slit experiment, three light rays with colour yellow, green and blue are directed to a narrow slit separately. Which ray is least diffracted?CorrectIncorrect
Question 2 of 7
2. Question1 point(s)
The figure below shows a diffraction pattern of a monochromatic light produced by a narrow slit.
The distance x will increase whenCorrectIncorrect
Question 3 of 7
3. Question1 point(s)
The figure below shows the interference fringes produced from Young’s double-slit experiment using a monochromatic green light source.
What will happen to the interference fringe patterns when the green light source is replaced by a purple light source?CorrectIncorrect
Question 4 of 7
4. Question1 point(s)
In Young’s double-slit experiment, an arrangement was set up to produce interference fringes on a screen using a monochromatic source of green light, the fringes were found to be too close together for observation. Which of the following ways would be possible to increase the separation of the fringes?CorrectIncorrect
Question 5 of 7
5. Question1 point(s)
In a Young’s Double Slit Experiment to determine the wavelength of monochromatic light, a slide with slits separation of 0.40mm is used. The figure below shows the interference pattern formed on a screen which is 2.4m away from the slide.
What is the wavelength of the monochromatic light?CorrectIncorrect
Question 6 of 7
6. Question1 point(s)
A monochromatic light source is used in Young’s double-slit experiment. A series of dark and bright fringes are formed on a screen placed at a distance of 2m from the two-slit. The distance between the two-slit is 1.2mm and the distance between two consecutive bright fringes is 1.5mm. Find the wavelength of the monochromatic light.CorrectIncorrect
Question 7 of 7
7. Question1 point(s)
In Young’s double slits experiment, a red light is propagated through a double slit. Fringes form on a screen that is 3.0m away from the slits. If the distance between four consecutive bright fringes is 2.8mm, what is the separation of the slits? [Wavelength of red light wave = 700nm]CorrectIncorrect