A source $S_1$ is producing, $10^{15}$ photons per second of wavelength 5000 Å. Another source $S_2$ is producing 1.02 × $10^{15}$ photons per second of wavelength 5100 Å. Then, (power of $S_2$)/(power of $S_1$) is equal to –

Question

( A ) 1.04
( B ) 1
( C ) 0.98
( D ) 1.02