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

lens maker equation, what is the physics principle involved in the lens ma...

what is the physics principle involved in the lens maker equation

#Inductance balanced delta connected load, how to you calculate the inducat...

how to you calculate the inducatnce on a balanced delta circuit?

Determine the resistance of the resistor, A 100V battery is linked across a...

A 100V battery is linked across a resistor and causes a current of 5mA to ?ow. Verify the resistance of the resistor.  If the voltage is now decreased to 25V, what will be t

Kinematics.., As we''re on an inclined plane shouldn''t we take the x & y c...

As we''re on an inclined plane shouldn''t we take the x & y components of gravity into consideration?? thanks

Calculate the speed and frequency of elctromagnetic wave, Imagine an elctro...

Imagine an elctromagnetic wave propagating vacuum with electric field Ex=10 2 sinπ(3x10 6 z - 9x10 14 t) V/m, E y =0, E z = 0. Calculate the speed, frequency, wavelength, initial

Determine about the stacking fault, Determine about the Stacking fault     ...

Determine about the Stacking fault       Stacking faults happen in a number of crystal structures, but the common example is in close-packed structures.  Face-cantered cubic (f

Illustrate what is a thermal transformation, Q. Illustrate what is a therma...

Q. Illustrate what is a thermal transformation? Answer:- Chemical or else physical changes are not requiring a change in the temperature of the substance as in the formati

Superfluidity, Superfluidity: The phenomena through which, at sufficie...

Superfluidity: The phenomena through which, at sufficiently low temperatures, a fluid can flow along zero viscosity. Its causes are related with superconductivity.

Free Body Diagram Model, How do you make a model of a free body diagram for...

How do you make a model of a free body diagram for a science project?

Thermal physics, how much power is radiated by a tungsten sphere of radius ...

how much power is radiated by a tungsten sphere of radius 16cm at a temperature of 25 degrees Celsius emissivity is 0.35

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