question_answer

If E is Emerson effect, x is the rate of oxygen production in mixed beam of light, y is the rate of\[{{O}_{2}}\]production in low wavelength of light and z is the rate of\[{{O}_{2}}\]evolution in high intensity of red light. What will be the value of  E

A) \[\frac{x-u}{z}\]

B) \[\frac{x-z}{u}\]

C) \[\frac{z-u}{x}\]

D) \[\frac{z-x}{u}\]