Two flat pieces of glass that each has a length L = 20.0 cm are arranged by a fiber between them. The setup is illuminated by a yellow sodium light (590 nm), and 19 bright fringes are observed in reflected light.

What is the diameter of the fiber?

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Bright fringes are observed in reflected light : Two flat pieces of glass that each has a length L = 20.0 cm are arranged by a fiber between them. The setup is illuminated by a yellow sodium light (590 nm), and 19 bright fringes are observed in reflected light. |

Unknown wavelength both pass during two narrow slits : Light of wavelength 590 nm and light of unknown wavelength both pass during two narrow slits 0.600 mm apart. The screen is 1.70 m away. On the screen the second-order bright fringe of the unknown-wavelength light is 1.33 mm closer to the central maxi.. |

Ship had a speed with respect to the earth : A Kling on spacecraft has a speed of 0.75c with respect to the earth. The Kling on measure 37.0 h for the time interval among two events on the earth. What value for the time interval would they gauge if their ship had a speed of 0.96c with respect t.. |

Hypothetical person who is riding along with the pion : A particle known as a pion lives for a short time before breaking apart into other particles. Suppose it is moving at a speed of 0.994c, and an observer who is stationary in a laboratory gauges the particle's lifetime to be 5.00*10-8 s. What is the l.. |

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