Find energy of each of the photons which
(1) correspond to light of frequency `3xx10^(15)` Hz.
(2) Have wavelength of 0.50 Å

Explanation

(1) `E=hv=(6.626xx10^(-34)J*s)xx(3xx10^(15)s^(-1))`
`=1.988xx10^(-18)J`
(2) `E=hv=(hc)/(lamda)=(6.626xx10^(-34)J*sxx3xx10^(8)m*s^(-1))/(0.50xx10^(-10)m)`
`=3.976xx10^(-15)J`.