The momentum of a photon with a wavelength of 5.9*10^-7 meter is..

The momentum of a photon with a wavelength of 5.9*10^-7 meter is
A. 8.9 * 10^26 kg*m/s
B. 1.6 * 10^-19 kg*m/s
C. 1.1 * 10^-27 kg*m/s
D. 3.9 * 10^-40 kg*m/s

p=h/wavelength
p=(6.6 X 10^ -32)/(5.9X10^-7)
This gives 'C' 1.1 * 10^-27 kg*m/s as the answer