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

.work power and energy, work done by conservative force on a system is equa...

work done by conservative force on a system is equal to

What is source transformation technique, Determine current flowing through ...

Determine current flowing through 5 ? resistor in the circuit demonstrated in Figure. Use Source transformation technique. Ans: Determination of current flowing thr

Help, what is 500,000+700,000

what is 500,000+700,000

Scintillation counter construction and working, Describe the principle cons...

Describe the principle construction and working of a scintillation counter.  With suitable diagram explain various components of a scintillation counting system. Principle Sci

Determine ratio of their magnetic moments, In the equal distance method of ...

In the equal distance method of a deflection magnetometer, the deflections produced by two bar magnets are 30 o and 60 o . Determine the ratio of their magnetic moments?

Explain the prisms, Explain the Prisms, Dispersion and Color A ray of whi...

Explain the Prisms, Dispersion and Color A ray of white light that passes through a prism is dispersed into the visible spectrum. Red light is refracted the least, and purple lig

Classification of resistors , Depending on the material of the resistance e...

Depending on the material of the resistance element, resistors are classified into linear resistors and non linear resistors. Majority of the resistors used in electronic circuits

Evaluate the uniform speed of gondola, Evaluate  the uniform speed of gond...

Evaluate  the uniform speed of gondola? Q. The world's largest ferris wheel with a radius of 50.0 m is located in Yokohama City, Japan. Each of the sixty gondolas on the wheel t

Specific heat, A 3Kg bar of aluminum has to be heated from 25 degrees Cels...

A 3Kg bar of aluminum has to be heated from 25 degrees Celsius to 75 degrees Celsius. how many calories are needed to achieve this temperature increase?

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