1. [-/1 Points] DETAILS OSCOLPHYSZO16 27.1 .P.003. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER What is the index of refraction of a material for which the wavelength of light is 0.6662 times its value in a vacuum? (Enter your answer to at least three decimal places. Use any necessary data found in this table.) :1 Identify the likely substance. -Select--- v Addnional Materials III Reading 2. [-I1 Points] DETAILS OSCOLPHYSZO16 27.1 .P.005. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER What is the ratio of thicknesses of polystyrene and int glass that would contain the same number of wavelengths of light? (Use any necessary data found in this table.) tpolystyrene = tint glass 3. [I1 Points] DETAILS OSCOLPHYSZO16 27.3.P.006. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER At what angle in degrees is the rst-order maximum for 450-nm wavelength blue light falling on double slits separated by 0.0480 mm? :1 Additional Materials [a Reading 4. [-I1 Points] DETAILS OSCOLPHY52016 27.3.P.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Calculate the angle for the thirdorder maximum of 595 nm wavelength yellow light falling on double slits separated by 0.115 mm. o Additional Materials III Reading 5. [I1 Points] DETAILS OSCOLPHYSZO16 27.3.P.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the distance in nm between two slits that produces the rst minimum for 420-nm violet light at an angle of 33.0. [:1nm 6. [-I1 Points] DETAILS OSCOLPHYSZO16 27.4.P.021. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER A diffraction grating has 2,160 lines per centimeter. At what angle in degrees will the rst-order maximum be for 510 nm wavelength green light? 0 Additional Materials III Reading 7. [-I1 Points] DETAILS OSCOLPHYSZO16 27.4.P.022. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER Find the angle in degrees for the third-order maximum for 587 nm wavelength yellow light falling on a diffraction grating having 1,330 lines per centimeter. :1 Additional Materials I21 Reading 8. [-/1 Points] DETAILS OSCOLPHYSZO16 27.4.P.024. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER What is the distance in m between lines on a diffraction grating that produces a second-order maximum for 775-nm red light at an angle of 625? m 9. [-/1 Points] DETAILS OSCOLPHYS2016 27.5.P.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) Calculate the angle in degrees at which a 2.15 um wide slit produces its first minimum for 410 nm violet light. Enter your result to the nearest 0.10. (b) Where is the first minimum in degrees for 755-nm red light? Additional Materials Reading 10. [-/1 Points] DETAILS OSCOLPHYS2016 27.5.P.045. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) How wide in m is a single slit that produces its first minimum for 621-nm light at an angle of 23.0? m (b) At what angle in degrees will the second minimum be?11. [-/1 Points] OSCOLPHY52016 27.6.P.057. ASK YOUR TEACHER PRACTICE ANOTHER The 300 m diameter Arecibo radio telescope detects radio waves with a 4.96 cm average wavelength. (a) What is the angle (in rad) between two just-resolvable point sources for this telescope? rad (b) How close together (in ly) could these point sources be at the 2 million light year distance of the Andromeda galaxy? lY Addltlonal Materials II] Reading 12. [-11 Points] OSCOLPHY52016 27.6.P.058. ASK YOUR TEACHER PRACTICE ANOTHER Assuming the angular resolution for the Hubble Telescope to be 2.85 x 107 rad, what is the smallest detail that could be observed on Jupiter when it is closest to Earth? (Give the size of the smallest detail in meters. Assume the distance from the Hubble Telescope to the surface of Jupiter is approximately 5.88 x 1011 m.) lTl 13. [/1 Points] DETAILS OSCOLPHYSZO16 27.7.P.070. MY NOTES ASK YOUR TEACH ER PRACTICE ANOTHER A soap bubble is 124 nm thick and illuminated by white light incident perpendicular to its surface. What wavelength (in nm) and color of visible light is most constructively reflected, assuming the same index of refraction as water (nw = 1.33)? wavelength nm color ---Select-- v f Additional Materials E Reading 14. [-/1 Points] DETAILS OSCOLPHYSZO16 27.7.P.072. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Calculate the minimum thickness in nm of an oil slick on water that appears blue when illuminated by white light perpendicular to its surface. Take the blue wavelength to be 465 nm and the index of refraction of oil to be 1.40. nm 15. [-/1 Points] DETAILS OSCOLPHYS2016 27.7.P.076. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose you have a lens system that is to be used primarily for 640-nm light. What is the second thinnest coating of fluorite (calcium fluoride) that would be non-reflective for this wavelength? nm Additional Materials Reading 16. [-/1 Points] DETAILS OSCOLPHYS2016 27.8.P.084. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER What angle (in degrees) is needed between the direction of polarized light and the axis of a polarizing filter to cut its intensity to one-fourth of its initial value