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

Determine the value of vector field, Determine the value of ‘a' for which t...

Determine the value of ‘a' for which the vector field  is solenoidal.

Find speed of electron, An electron has momentum that is 90 % larger than i...

An electron has momentum that is 90 % larger than its classical momentum. Find speed of electron. Classical momentum Relativistic momentum Here m is effective mass Given, Spe

Example of ohm law, Example of Ohm Law Now that we know how to draw a c...

Example of Ohm Law Now that we know how to draw a circuit, let's figure out what is happening in a simple one resistor, one battery (voltage source) circuit. Example 1 - H

Sound, experiments on how sound waves travel faster in iron

experiments on how sound waves travel faster in iron

Displacement, calculate the distance a car travelled if its displacement wa...

calculate the distance a car travelled if its displacement was 50km and the distance it moved north was 40km.assuming it moved westward?

Determine potential difference between two points, If 10 joules of energy a...

If 10 joules of energy are required to move 5 coulombs of charge between two points, the potential difference between the two points is equal to how many volts? Ans: If 10 j

Working model, sir, I am in class xii and i have to submit a project:workin...

sir, I am in class xii and i have to submit a project:working model on any topic in physics. so please help me figure this out

What is the boat speed relative to the dock, A river is flowing 4.0 m/s to ...

A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0° downriver by heading directly across the river. a. What shoul

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