calculate the threshold frequency of the metal from which the photoelectrons are emitted with zero velocity when exposed to radiation of wavelength 6800 Armstrong
![SOLVED: Constants Planck's constant: h = 6.626x10-34 J-s Speed of light: c = 3.00x108 m/s nm 10-9m Equations V=c/ Eph hv = hcl AE = E-Ei 22.179x10-18 J (1/n2) Calculate the energy SOLVED: Constants Planck's constant: h = 6.626x10-34 J-s Speed of light: c = 3.00x108 m/s nm 10-9m Equations V=c/ Eph hv = hcl AE = E-Ei 22.179x10-18 J (1/n2) Calculate the energy](https://cdn.numerade.com/ask_images/9dddb9005dc3438a8a13d81e10a61788.jpg)
SOLVED: Constants Planck's constant: h = 6.626x10-34 J-s Speed of light: c = 3.00x108 m/s nm 10-9m Equations V=c/ Eph hv = hcl AE = E-Ei 22.179x10-18 J (1/n2) Calculate the energy
Find energy of each of the photons which (i) correspond to light of frequency 3 × 10^15Hz .(ii) have wavelength of 0.50 ∘A .
![OpenStax College Physics Solution, Chapter 30, Problem 25 (Problems & Exercises) | OpenStax College Physics Answers OpenStax College Physics Solution, Chapter 30, Problem 25 (Problems & Exercises) | OpenStax College Physics Answers](https://video-thumbs.collegephysicsanswers.com/ed1/ch30/ed1ch30pe25/thumbs-ed1ch30pe25-00002.png)