Questions 28 32 Green light of wavelength A 532 nm is incident on a thin film of acetone (n 1 359) on a surface of quartz glass (n 1 46) 28 What type(s) of boundaries are present A 1 hard boundary, 1 soft boundary C 2 hard boundaries B 2 soft boundaries D impossible to determine 29 At what thickness of the film does the first strong reflection occur A 195 7 nm C 293 7 nm B 97 9 nm D 587 1 nm 30 At what thickness of the film does the first weak reflection occur A 195 7 nm C 97 9 nm B 293 7 nm D 587 1 nm 31 If the surface were changed to water (n 1 33) instead of quartz glass, how would your answer for Question 29 change Calculate the thickness of the film producing the first strong reflection in this case A 195 7 nm C 587 1 nm B 97 9 nm D 293 7 nm Phys 251 Midterm Exam 3 Page 9 of 12 April 4 9, 2024 32 If the surface were changed to water (n 1 33) instead of quartz glass, how would your answer for Question 30 change Calculate the thickness of the film producing the first weak reflection in this case A 587 1 nm C 97 9 nm B 293 7 nm D 195 7 nm

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Questions  28   32  Green light of wavelength A   532 nm is incident on a thin film of acetone (n   1 359) on a surface of quartz glass (n   1 46)  28  What type(s) of boundaries are present  A  1 hard boundary, 1 soft boundary C  2 hard boundaries B  2 soft boundaries D  impossible to determine 29  At what thickness of the film does the first strong reflection occur  A  195 7 nm C  293 7 nm B  97 9 nm D  587 1 nm 30  At what thickness of the film does the first weak reflection occur  A  195 7 nm C  97 9 nm B  293 7 nm D  587 1 nm 31  If the surface were changed to water (n   1 33) instead of quartz glass, how would your answer for Question  29 change  Calculate the thickness of the film producing the first strong reflection in this case  A  195 7 nm C  587 1 nm B  97 9 nm D  293 7 nm Phys 251 Midterm Exam  3   Page 9 of 12 April 4   9, 2024 32  If the surface were changed to water (n   1 33) instead of quartz glass, how would your answer for Question  30 change  Calculate the thickness of the film producing the first weak reflection in this case  A  587 1 nm C  97 9 nm B  293 7 nm D  195 7 nm

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Questions #28 - 32: Green light of wavelength A = 532 nm is incident on a thin film of acetone (n = 1.359) on a

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