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16. a) Explain why a pattern of bright and dark fringes is visible on a screen when a light is shone through a double slit. b) Upon using Thomas Young's double-slit experiment to obtain measurements, the following data were obtained. Use these data to determine the wavelength of light being used to create the interference pattern. Do this in three different ways. • The angle to the eighth maximum is 1.12. • The distance from the slits to the screen is 302 cm. • The distance from the first minimum to the fifth minimum is 2.95 cm. • The distance between the slits is 0.00025 m. 7. a) Imagine that you are conducting an activity with a laser to create an interference pattern. Use the appropriate equations to predict two ways (other than the way described in the following example) to change the interference pattern in order to have closer fringes. Explain your predictions. Here's an example to get you started: According to the equation

16. a) Explain why a pattern of bright and dark fringes is visible on a screen when a light is shone through a double slit. b) Upon using Thomas Young's double-slit experiment to obtain measurements, the following data were obtained. Use these data to determine the wavelength of light being used to create the interference pattern. Do this in three different ways. • The angle to the eighth maximum is 1.12. • The distance from the slits to the screen is 302 cm. • The distance from the first minimum to the fifth minimum is 2.95 cm. • The distance between the slits is 0.00025 m. 7. a) Imagine that you are conducting an activity with a laser to create an interference pattern. Use the appropriate equations to predict two ways (other than the way described in the following example) to change the interference pattern in order to have closer fringes. Explain your predictions. Here's an example to get you started: According to the equation

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46. a) Explain why a pattern of bright and dark fringes is visible on a screen when a light is shone through a double slit. b) Upon using Thomas Young's double-slit experiment to obtain measurements, the following data were obtained. Use these data to determine the wavelength of light being used to create the interference pattern. Do this in three different ways. • The angle to the eighth maximum is 1.12. • The distance from the slits to the screen is 302 cm. • The distance from the first minimum to the fifth minimum is 2.95 cm. • The distance between the slits is 0.00025 m. 47. a) Imagine that you are conducting an activity with a laser to create an interference pattern. Use the appropriate equations to predict two ways (other than the way described in the following example) to change the interference pattern in order to have closer fringes. Explain your predictions. Here's an example to get you started: According to the equation Ax= the distance between the fringes (Ax) is proportional to the wavelength (since they are both numerators). This means that increasing one will increase the other. Therefore, decreasing the wavelength will decrease the distance between the fringes. (Hint: You can use the "Thomas Young's Double-slit Experiment" simulation from this lesson to verify your predictions.) d'
Transcribed Image Text:46. a) Explain why a pattern of bright and dark fringes is visible on a screen when a light is shone through a double slit. b) Upon using Thomas Young's double-slit experiment to obtain measurements, the following data were obtained. Use these data to determine the wavelength of light being used to create the interference pattern. Do this in three different ways. • The angle to the eighth maximum is 1.12. • The distance from the slits to the screen is 302 cm. • The distance from the first minimum to the fifth minimum is 2.95 cm. • The distance between the slits is 0.00025 m. 47. a) Imagine that you are conducting an activity with a laser to create an interference pattern. Use the appropriate equations to predict two ways (other than the way described in the following example) to change the interference pattern in order to have closer fringes. Explain your predictions. Here's an example to get you started: According to the equation Ax= the distance between the fringes (Ax) is proportional to the wavelength (since they are both numerators). This means that increasing one will increase the other. Therefore, decreasing the wavelength will decrease the distance between the fringes. (Hint: You can use the "Thomas Young's Double-slit Experiment" simulation from this lesson to verify your predictions.) d'
b) If you were using a hands-on activity to verify your predictions and use measurements to determine the wavelength of the laser being used, describe any safety precautions you would take and sources of error that you might encounter. Be sure to explain how you might reduce the effects of the sources of error.
Transcribed Image Text:b) If you were using a hands-on activity to verify your predictions and use measurements to determine the wavelength of the laser being used, describe any safety precautions you would take and sources of error that you might encounter. Be sure to explain how you might reduce the effects of the sources of error.
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