Get premium membership and access questions with answers, video lessons as well as revision papers.
Got a question or eager to learn? Discover limitless learning on WhatsApp now - Start Now!

The work function of a certain material is 3.2 eV. Determine the threshold frequency for the material. (1 electron Volt(eV) = 1.6 x 10-19 J and planks Constant h = 6.62 x 10-34Js)

      

The work function of a certain material is 3.2 eV. Determine the threshold frequency for the material. (1 electron Volt(eV) = 1.6 x 10-19 J and planks Constant h = 6.62 x 10-34Js)

  

Answers


John
Work function, Wc = hfo = fo = $\frac{W_c}{h}$

= $\frac{3.2\times 1.6\times 10^{-19}}{6.62\times 10^{-34}}$

= 7.734 x 1014Hz
johnmulu answered the question on February 21, 2017 at 12:15


Next: The minimum frequency of radiation necessary to cause photoelectric effect on a certain metal surface in 9.06 x 1014Hz. Determine the work function of the metal.
Previous: What is photoelectric effect?

View More Physics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions