Question

Revmw 1.1010 atoms are axched to an upper enengy lavel at t-0s. At the end of 10.0 ns, 90.0 % of these atoms have undergone a quartum jump to the ground state. Vou may want to roviow (Pages 1198-1200) Part A How many photons have been emitad WOA4 4.4 10 photons Subm Ana Beausat Ana xIncorrect; Try Again; 3 attempts remaining Part B

Answer 1

January Saturday 2013 23342 201 The image you posted is of very poor resolution. 4 am unable to see clearly, number 1 of atoms which are excited I believe its 1.0x108 atoms Just find the 90% of Total Excited atoms, that will be your Answer to part A if 1.0x108 atoms excited at t=0 sec then photons Emitted by end of lons is I 99 107 11 12 13 14 15 FI is 1920 25 26 27 All things are difficult before they are casy,