an atom makes a transition from an excited state with a lifetime of 10^-9 s to the ground state and emits a photon with a wavelength 600 nm. What is the uncertainty in the energy of the excited state

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

the answer is 1 i believe