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

Crystallography, explain diffrent phases of liquid crystal

explain diffrent phases of liquid crystal

Bread-board, The holes in bread board in horizontal direction have same vol...

The holes in bread board in horizontal direction have same voltage when a potential is given and same is the case with the verticle holes in the middle portion...May I know the rea

Define the characteristics of heterojunction laser, Define the characterist...

Define the characteristics of Heterojunction laser. Heterojunction laser: The threshold current density for homojunction lasers is extremely large because of poor optical an

Describe nor and nand gates, Describe NOR and NAND gates. Provide their tr...

Describe NOR and NAND gates. Provide their truth tables. Discuss the nature of a p-n junction. How does a potential barrier develop at the junction.

Illustrate how are amps and watts related, Q. Illustrate how are amps and w...

Q. Illustrate how are amps and watts related? Answer:- In a nutshell the power calculated in watts dissipated by a resistance is directly proportional to the square of the

Give any two methods of electric lines of force, Give any two methods of el...

Give any two methods of electric lines of force. Sketch them for an isolated positive point charge.

Draw the logic circuit of this combination of getes, The output of an OR ga...

The output of an OR gate is linked to both the inputs of a NAND gate. Draw the logic circuit of this combination of getes and write its truth table.  Illustrate a plot of potent

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