Compute the threshold wavelength, Physics

Assignment Help:

Q. The work function of a metal surface is 1.8 eV. Compute the threshold wavelength.

 Work function W = hγo = h C / λ 0

λ 0 = h C / W

= 6.626 X 10-34 X 3 X 10 8 / 1.8 X 1.6 X 10 -19

= (19.878 / 2.88) X 10-7 m

= 6.902 X 10-7 m


Related Discussions:- Compute the threshold wavelength

Lamis theorem, a particle of xkg pended by two light inextensible strings o...

a particle of xkg pended by two light inextensible strings of AB and BC of lengths 8cm and 6cm respectively with the mass x attached to B. The end A and C are fixed at the same and

Copper : properties, Copper   Atomic number ...

Copper   Atomic number 29 Symbol Cu Atomic weight 63.546 Discovery Cu has

Phosphorus cycle, How does electricity affect the phosphorus cycle?

How does electricity affect the phosphorus cycle?

Nikol prisom, How nikol prisim can use as polarizer and analyzer

How nikol prisim can use as polarizer and analyzer

Charge and discharge characteristics of nickel cadmium cell, Charge and dis...

Charge and discharge characteristics of nickel cadmium cell: During charging and discharging the electrolyte acts only as an ionised conductor, transporting electrons from one

Einstein''s Theory of Relativity, According to Einstein''s Theory of Relati...

According to Einstein''s Theory of Relativity, would time be able to be expressed as a binary system, with a + 1 as yes, a - 1 as a no, and a 0 as an unanswered question?

Heat therapy - microwave diathermy, Microwave diathermy The microwave ...

Microwave diathermy The microwave diathermy can be produced in special tube which can be placed several inches from the region to be treated . Microwave can penetrate deep int

Derive schrodinger''s time dependent wave equation, Q.  Derive Schrodinger...

Q.  Derive Schrodinger's time dependent wave equation. What is the physical significance of wave function used in this equation? Ans. Time Dependent Schrodinger's Eq

Kinametic, whatis meant by kinametic?

whatis meant by kinametic?

The number of electrons in an atom of an element is equal, The number of el...

The number of electrons in an atom of an element is equal to its: (1) Atomic weight (2) Atomic number (3) Equivalent weight (4)  Electron affinity Ans: Atomic weigh

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd