Chemistry, asked by richakurian, 1 year ago

The threshold frequency of a metal is 7*10^14 s^-1. Calculate the kinetic energy of the electrons emitted when radiations of frequency 10^15 Hz falls on it.

Answers

Answered by JunaidMirza

13

K.E = h(f - f₀)
K.E = 6.626 × 10⁻³⁴ × (10¹⁵ - 7×10¹⁴)
K.E = 1.9878 × 10⁻¹⁹ J

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