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

What current would be needed to produce the flux, a) A uniform mild steel r...

a) A uniform mild steel ring has a diameter of 50mm and a cross-sectional area of 1cm 2 . Determine the mmf essential to produce a flux of 50µWb in the ring. (b) I

Schottky barrier diodes, The Schottky diodes are a semiconductor diode with...

The Schottky diodes are a semiconductor diode with a low forward voltage drop and a very fast switching action. The voltage drop at forward biases of around 1ma is in the range 0.1

Optical fiber.., describe optical fiber communication with block diagram

describe optical fiber communication with block diagram

Ray optics, sign conventions for lenses

sign conventions for lenses

Pressurized water nuclear reactor, Pressurized Water Nuclear Reactor Th...

Pressurized Water Nuclear Reactor There are two categories of nuclear reactors. The Pressurized Water Reactor (PWR) and the Boiling water reactor (BWR). Pressurized Water React

What is the maximum height reached by the ball, In an attempt to make a 3-p...

In an attempt to make a 3-point shot from a distance of 6.00 m, a basketball player lofts the ball at an angle of 68° above the horizontal. The ball has an initial velocity of 10.0

Motion in one dimension, If Joe rides his bicycle in a straight line for 15...

If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far has he ridden?

Turning effect of forces, information about parallel forces and its types a...

information about parallel forces and its types and examples

Constant positive velocity, Constant Positive Velocity Observe in which...

Constant Positive Velocity Observe in which the object below moves along with a constant velocity within the positive direction. The dot diagram shows in which each consecutive

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