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

States of matter, Sir,Do you tell me about 5th state of matter i.e Be conde...

Sir,Do you tell me about 5th state of matter i.e Be condensates

What are the properties of surface tension, There are six properties of sur...

There are six properties of surface tension:- Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Transform kinetic energy into vertical potential energy, Transform kinetic ...

Transform kinetic energy into vertical potential energy A pole vaulter performs the extraordinary feat of converting his forward kinetic energy to vertical potential energy. Us

Explain negative acceleration, NEGATIVE ACCELERATION OR RETARDATION OF DECL...

NEGATIVE ACCELERATION OR RETARDATION OF DECLERATION: If velocity of a body is reducing, then its acceleration is said to be negative. The direction of negative acceleration is

Lumen, lumen; lm: The derived SI unit of luminous flux, described as t...

lumen; lm: The derived SI unit of luminous flux, described as the luminous flux emitted through a uniform point source of 1 cd emitting its luminous energy on a solid angle of

Describe the physical processes contributing , a. Which materials are condu...

a. Which materials are conducting to which other materials? Water conducting can Can conduct bubble wrap Can to cotton wrap b. Which layers are insulating?

What is the proper formula used to calculate acceleration, What is the prop...

What is the proper formula used to calculate acceleration? There are a few. The most famous is a = F/m, where F is the net force applied to a mass, m. Acceleration is also the

Unit and dimension of displacement, UNIT AND DIMENSION OF DISPLACEMENT. ...

UNIT AND DIMENSION OF DISPLACEMENT.  The S1-unit of displacement is metre (m).  The dimension of displacement is [L] or [M o LT o ]

What is friction?, What is Friction? When we think about friction, ther...

What is Friction? When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if

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