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Physics 102 Notes b

# Physics 102 Notes b - OM D41 1.C P PR EME Physics 102 FORM...

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Physics 102 FORM 0 [l] In a single-slit diffraction experiment, a beam of monochromatic light passes through a slit of width 16.0 fj,m. If the second dark fringe of the resulting diffraction pattern is at an angle of 4.31°, what is the wavelength of the light? [A] 301 nm [B] 413 nm (W) 601 nm [D] 720 nm [E] 827 nm [2] A spy satellite is in orbit at a distance of 5.0 X 10 5 m above the ground. It carries a telescope that can resolve the two rails of a railroad track that are 1.4 m apart using light of wavelength 600 nm. Which one of the following statements best describes the diameter of the lens in the telescope? ^ [A] It is less than 0.26 m. QBj;It is greater than 0.26 m. [C] It is less than 0.52 m. [D] It is greater than 0.52 m. [E] It is less than 1.4 m. [3] What is the slit spacing of a diffraction grating necessary for a 600 nm light to have a first-order principal maximum at 25.0°? U])1.42 fim [B] 2.01 /zm [C] 3.12 /xm [D] 4.12 pm [E] 5.44 fan. [4] A spaceship, traveling at O.lOOc away from a stationary enemy station, shoots a projectile towards the station with a speed of 0.560c relative to the spaceship. What is the speed of the projectile relative to the station? [A] 0.460c (JBj)0.487c [C] 0.492c [D] 0.625c [E] 0.660c [5] A satellite, initially at rest in deep space, separates into two pieces which move away from each other. One-piece has a rest mass of 190 kg and moves away with a speed of 0.280c, and the second piece moves in the opposite direction with a speed of 0.600c. What is the rest mass of the second piece? __ [A] 42.4 kg [B] 52.7 kg [C] 68.8 kg (13)73.9 kg [E] 88.7 kg [6] A space tow barge pushes on a spaceship with a rest mass of 15,000 kg and accelerates it from a speed of 0.600c to a speed of 0.700c. How much work does the tow barge have to do to accomplish this? [A] 8.78 x 10 19 J [B] 1.35 x 10 20 J (fcfo.OS x 10 20 J [D] 2.70 x 10 20 J [E] 5.42 x 10 20 J ^-^ [7] If you approximate yourself as a blackbody emitter and you don't have a fever, what is the peak frequency of your emission?

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Physics 102 Notes b - OM D41 1.C P PR EME Physics 102 FORM...

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