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

Gaia hypothesis, Gaia hypothesis (J. Lovelock, 1969): The idea that as...

Gaia hypothesis (J. Lovelock, 1969): The idea that as a whole Earth should be regarded as a living organism & that biological procedure stabilize the environment.

State the properties of electric lines of force, (i) Electric field lines c...

(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.

Determination of analyte concentration, Determination of Analyte Concentrat...

Determination of Analyte Concentration: One of the most common applications of spectrophotometry is to determine the concentration of an analyte in a solution. There is a rela

Make a linear relationship between flow and lift, Cooling water flows throu...

Cooling water flows through a jacketed reactor and is controlled by a valve. The cooling water flow rate through the jacket obeys the following relation: where the pres

Fresenls diffraction, working and construction of fabry perot interferomete...

working and construction of fabry perot interferometer

State ohms law, Q State Ohm's law. At a steady temperature that the st...

Q State Ohm's law. At a steady temperature that the steady current flowing through a conductor is directly proportional to the potential difference between the two ends of the

Poission;s theory, what is poission''s equation?Establish poisson''s equati...

what is poission''s equation?Establish poisson''s equation for space distribution of charges.discuss its significance.

Define the period and the square root of the length, What is the relationsh...

What is the relationship among the period and the square root of the length? The graph is linear, so the period is proportional to the square root of the length of the string.

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