C-03-Q139mediumsingle_mcqThe value of Planck's constant is:a3×1083 \times 10^{8}3×108 m/sb6.626×10−346.626 \times 10^{-34}6.626×10−34 m²·kg/sc9.11×10−319.11 \times 10^{-31}9.11×10−31 kgd1.66×10−241.66 \times 10^{-24}1.66×10−24 g