Find the cutoff wavelength for platinum

Assignment Help Physics
Reference no: EM13504015

The work function for platinum is 6.35 eV.

(a) Find the cutoff wavelength for platinum.

=_________nm

(b) What is the lowest frequency of light incident on platinum that releases photoelectrons from its surface?

=______________Hz

(c) If photons of energy 7.67 eV are incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons?

=_______________eV

Reference no: EM13504015

Questions Cloud

Find the final temperatures of the water and the aluminum : A piece of aluminum (specific heat 910 J/kg degrees C) of mass 200 g at 80.0 degree C is dropped into a Styrofoam cup filled with 100 mL of water at 20 degree C
Determine ph and volume naoh needed to reach equivalence : Find the pH and volume (mL) of 0.0372 M NaOH needed to reach the equivalence point(s) in titrations of 20.0 mL of 0.0892 M H2SO3 (two equivalence points)
Explain calculation of non-controlling interest balance : Consolidation adjustment/elimination journal entries that are required at the above financial year end date (i.e. for one year only).
Prepare a reconciliation of the profit : Prepare a cash flow statement using the direct method for operating cash flows and prepare a reconciliation of the profit and cash provided by the operations
Find the cutoff wavelength for platinum : The work function for platinum is 6.35 eV. Find the cutoff wavelength for platinum
Contributing to the nursing profession : How do you see yourself contributing to the nursing profession?
What are the induced voltage and current in the coil : A rectangular coil of 100 turns measure 40cm by 20cm. This coil is placed next to an electromagnet which is switched on, what are the induced voltage and current in the coil
Determine the distance between the two lenses : The lenses used in a compound microscope have powers of + 90D and + 60D . If a total magnification of -250x is desired, what should be the distance between the two lenses
The module 5 slp is an argumentative essay : The Module 5 SLP is an Argumentative essay in which the writer addresses a major issue in society today. Bullying is a pervasive epidemic impacting our society today, sometimes with tragic results,

Reviews

Write a Review

 

Physics Questions & Answers

  What range is her velocity

Andrea thinks she's sitting at rest in her 5.0-m-long dorm room as she does her physics homework. what range is her velocity

  Using a 90 confidence interval does this sample support

according to the mortgage bankers association 10.73 of prime fixed-rate mortgages were in foreclosure or delinquent in

  Determine the rotential inertia of a yo-yo

For each part of the following, state any assumptions used and show mathmatical dereviation before using values. determine the rotential inertia of a yo-yo about it's center

  What is the length of the spaceship

A spaceship of rest length 192 m races past a timing station at a speed of 0.780c. What is the length of the spaceship as measured by the timing station

  What is the velocity v of the smaller fish before lunch

What is the target's speed just after the bullet emerges.What is the velocity v of the smaller fish before lunch.

  Calculate the radius of the path

Calculate the radius of the path, direction of the force experienced by the electron and the path of the electron through the magnetic field.

  Calculate the size of the signal transmitted

Wishing to move his television set to another room, the owner extends the aerial feeder cable, calculate the size of the signal transmitted across the join to the second cable

  Calculate jr average speed during record- setting perfomance

The 500[m] Short Track speed skating Olympic world record is 39:937[sec] held by American JR Celski. Calculate JR's average speed in [miles=hr] during his record- setting performance.

  Determine the power of the laser

A laser that produces a spot of light that is 1.20 mm in diameter is shone perpendicularly on the center of a thin, what is the power of the laser

  What is the moment of inertia of the stainless steel

Consider a stainless steel annular disk with an outer radius 56 mm and inner radius 7.7 mm. What is the moment of inertia of the stainless steel annular disk

  Calculate the magnitude of the planes acceleration

A pendulum has a length L = 1.11m. It hangs straight down in a jet plane about to take off as shown by the dotted line, Calculate the magnitude of the plane's acceleration

  Illustrate what is the maximum vertical displacement

Illustrate what is the maximum vertical displacement that he ball reaches during its trajectory?

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