12 5 points (a). The laser light used in cornea surgery to treat corneal disease is the excimer laser, which emits ultraviolet at a wavelength of 193 nm in air. The index of refraction of the cornea is 1.376. What are the wavelength and frequency of the light in the cornea? (b). Light passes from glass to water. At what will total internal reflection occur? (Take the refractive indices of glass and water to be 1.52 and 1.33 respectively). Drag n' Drop here or Browse Previous Next10 2 points Thorium-232 undergoes alpha decay. Write the decay equations and identify the daughter nucleus? H The Periodic Table of Elements He Hydrogen scientificgems.wordpress.com Hellum 3 5 8 10 Li Be B C N Ne Lithium Beryllium Boron carbon Mitragan Oxygen Fluorine Near 11 2 13 14 15 16 17 18 Na Mg Al Si P S CI Ar Sodium Magnesium Aluminium Silicon Phosphorus Sulfull Chlorine Argon 19 20 21 22 23 24 25 26 27 29 30 31 32 33 35 36 K Ca Sc Ti Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nicke copper Zine Gallium Germanium Arsenic Selenium Framing Krypton 37 38 35 40 42 43 44 46 48 49 50 51 52 53 54 Rb Sr Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Xe Rubidium strontium Ytrium Zirconium Niabium Molybdenum Technetium Ruthen um Rhodium Palladium Silver cadmium Indium Tin Antimony Tellurium adine Xenon 55 56 57-71 73 74 75 76 77 78 81 83 34 86 Cs Ba La-Lu Hf Ta W Re Os Pt Au Hg TI Pb Bi Po At Rn cesium Barium Lanthanides Hamnium Tantalum Tungsten Rhenium Osmium Indium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astating Radon 87 88 89-103 10 105 106 107 108 110 111 112 113 114 115 116 117 118 Fr Ra Ac-Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh FI Mc LV Ts Og Oganessan Francium Radium Actinides Rutherfordium Dubnium Seaborgium Bahrium Hassium Meitnerium Darmstadtum Roentgenium Copernicium Nihonium Fleroviun Moscovium Livermarium Tennessine 57 58 59 60 6 62 54 65 86 67 68 69 70 La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Lanthanum Corium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium 89 91 94 35 96 97 99 100 101 102 103 Ac Th Pa U Np Pu Am Cm BK Cf Es Fm Md No Lr Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californiam Einsteinium Fermium Mondolevium Nobolium Lawrencium