Laser light of a single wavelength (600 nm) is shined upon a mystery aperture. As the light passes through the mystery aperture, it diffracts and creates an interference pattern on a screen placed 2 m behind the aperture. The figure below shows detailed measurements of the inter- ference pattern. Use this information to solve parts (a) - (c) Intensity + 1 3 4 5 x (ст) (a) What is the mystery aperture? You may assume that the size of the compared to the distance to the screen. (Hint: is it a double slit aperture, a diffraction grating, or a single slit aperture?) aperture is very small (b) If you answered single slit in part (a), determine the slit width. If you answered double slit or diffraction grating in part (a), determine the slit spacing. (Hint: Use the width of the central maximum). (c) A mystery laser is shined upon the mystery aperture and the following interference pat- tern is produced: Intensity 1 2 4 x (ст) What is the wavelength of the mystery laser light? You may assume that the aperture and screen distance remain unchanged.
Laser light of a single wavelength (600 nm) is shined upon a mystery aperture. As the light passes through the mystery aperture, it diffracts and creates an interference pattern on a screen placed 2 m behind the aperture. The figure below shows detailed measurements of the inter- ference pattern. Use this information to solve parts (a) - (c) Intensity + 1 3 4 5 x (ст) (a) What is the mystery aperture? You may assume that the size of the compared to the distance to the screen. (Hint: is it a double slit aperture, a diffraction grating, or a single slit aperture?) aperture is very small (b) If you answered single slit in part (a), determine the slit width. If you answered double slit or diffraction grating in part (a), determine the slit spacing. (Hint: Use the width of the central maximum). (c) A mystery laser is shined upon the mystery aperture and the following interference pat- tern is produced: Intensity 1 2 4 x (ст) What is the wavelength of the mystery laser light? You may assume that the aperture and screen distance remain unchanged.
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Transcribed Image Text:Laser light of a single wavelength (600 nm) is shined upon a mystery aperture. As the light
passes through the mystery aperture, it diffracts and creates an interference pattern on a screen
placed 2 m behind the aperture. The figure below shows detailed measurements of the inter-
ference pattern. Use this information to solve parts (a) - (c)
Intensity
+
2
4
5
х (ст)
(a) What is the mystery aperture? You may assume that the size of the aperture is
compared to the distance to the screen. (Hint: is it a double slit aperture, a diffraction
grating, or a single slit aperture?)
very
small
(b) If
answered single slit in part (a), determine the slit width. If you answered double
you
slit or diffraction grating in part (a), determine the slit spacing. (Hint: Use the width of
the central maximum).
(c) A mystery laser is shined upon the mystery aperture and the following interference pat-
tern is produced:
Intensity
+
1
2
3
4
5
x (cm)
What is the wavelength of the mystery laser light? You may assume that the aperture and
screen distance remain unchanged.
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