If the Inner Accretion Disk Around a Black Hole Has

If the inner accretion disk around a black hole has a temperature of 10⁶ K, at what wavelength will it radiate the most energy? Hint: wavelength in nm =3,000,000/T in K

A) 10⁶ nm
B) 3 nm
C) 3*10⁶ nm
D) 1 nm
E) 3*10¹¹ nm