Two materials exhibit the following linear relations for the maximum kinetic energy…

PHYSICS · Subjective · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

Two materials exhibit the following linear relations for the maximum kinetic energy KmaxK_{\text{max}} (in joules) of emitted photoelectrons as a function of light frequency ff (in hertz): Material A: Kmax=6.60×10−34f−2.40×10−19K_{\text{max}} = 6.60\times10^{-34} f - 2.40\times10^{-19} Material B: Kmax=6.60×10−34f−4.00×10−19K_{\text{max}} = 6.60\times10^{-34} f - 4.00\times10^{-19} Calculate the threshold frequency for each material.

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