Virtual Labs

In the Young's Double Slit Experiment, after you measured the distance between the slits and observed the interference pattern, what relationship did you find between the fringe spacing and the wavelength?

a: Fringe spacing is inversely proportional to the wavelength Explanation

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b: Fringe spacing is directly proportional to the wavelength Explanation

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c: Fringe spacing is independent of the wavelength Explanation

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d: Fringe spacing depends only on the distance between slits Explanation

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If the distance between the slits is halved, how does this affect the fringe spacing?

a: It doubles Explanation

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b: It halves Explanation

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c: It remains the same Explanation

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d: It becomes zero Explanation

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Which of the following changes would decrease the wavelength measured in Young’s double-slit experiment?

a: Using light of a shorter wavelength Explanation

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b: Increasing the screen distance Explanation

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c: Decreasing the slit width Explanation

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d: Using a coherent light source Explanation

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What is the primary purpose of using two slits in Young’s experiment?

a: To produce a diffraction pattern Explanation

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b: To create two coherent sources of light Explanation

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c: To change the intensity of the light Explanation

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d: To measure the speed of light Explanation

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In the context of Young’s experiment, what happens when the wavelength of the light used is increased?

a: The pattern becomes brighter Explanation

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b: The fringe spacing decreases Explanation

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c: The number of fringes increases Explanation

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d: The fringe spacing increases Explanation

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