Find the cutoff wavelength for iron

Assignment Help Physics
Reference no: EM13337047

The work function for iron is 4.50 eV.

(a) Find the cutoff wavelength for iron.

nm

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

Hz

(c) If photons of energy 6.50 eV are incident on iron, what is the maximum kinetic energy of the ejected photoelectrons?

eV

Reference no: EM13337047

Questions Cloud

Determine the sum of the work and heat energy transports : Exactly 1.73 kg of water vapor is contained in a piston-cylinder assembly at a pressure of 1.00 MPa and temperature 600.°C. The vapor is isothermally compressed to 80.0 MPa.
Write a method that uses the bst to output : Write a method that uses the BST to output to the screen the list of entries in alphabetical order. Each entry is displayed on a new line.
Determine the fundamental frequency of this pipe : A certain pipe has resonant frequencies of 240 Hz, 400 Hz, and 560 Hz, with no other resonant frequencies between these values. What is the fundamental frequency of this pipe
Calculate and return the average of one of numerical values : Write a method that uses the array to output to the console the list of entries in reverse order. Each entry is displayed on a new line.
Find the cutoff wavelength for iron : The work function for iron is 4.50 eV. Find the cutoff wavelength for iron and What is the lowest frequency of light incident on iron that releases photoelectrons from its surface
Determine the frequency of the dampened oscillation : A 9.60 kg object oscillates at the end of a vertical spring that has a spring constant of 2.00 104 N/m. Calculate the frequency of the dampened oscillation
Calculate the lateral shift produced of a rectangular glass : A ray of light is incident oa an angle of 60 degree on once face of a rectangular glass slab of thickness 0.1m and refractive index 1.5. Calculate the lateral shift produced
Compute cholatis branch profits tax : Compute Cholatis branch profits tax, and determine its branch interest withholding tax obligations. Assume that Cholati does not reside in a treaty country.
How much would be an ink dot to be raised by a glass plate : The velocity of light in glass is 2*10^8 m/s and in air is 3*10^8 m/s. How much would be an ink dot to be raised, when covered by a glass plate of 6cm thick

Reviews

Write a Review

Physics Questions & Answers

  Determine the angle where the ball was released

At the moment of release, a baseball player has a horizontal velocity component of 39 meters per second, At what angle was the ball released

  Find the magnitude of the cats centripetal acceleration

A cat rides a merry-go-round while turning with uniform circular motion. At time t1 = 2.00 s, the cat's velocity is v1 = (5.50) i + (4.00 m/s) j, What is the magnitude of the cat's centripetal acceleration

  Find the total load supported by the springs

Two people with a combined mass of 120 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 7.44 cm. Find the total load supported by the springs

  Find out the energy level and wave functions of the ground

A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..

  What amplitude of motion will the block and piston separate

A block rides on a piston that is moving vertically with simple harmonic motion. If the SHM has period 4.7 s, at what amplitude of motion will the block and piston separate

  Compute the final temperature of the water

Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). Find the final temperature (in °C) of the water after equilibrium is reached

  What is the highest elevation reached by the football

A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.0 degrees above the horizontal. What is the highest elevation reached by the football

  Write down the expression for net torque

Write down the expression for net torque

  What is its displacement in radians in this time

Suppose that a disk rotates through two revolutions in 4.2 seconds. What is its displacement in radians in this time

  At what angle does the crate begin to slide

A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , At what angle does the crate begin to slide

  Calculate the vertical and horizontal components

A 100 kg shot-putter pushes a forward and upward force on a 4 kg shot with a force of 1000N, Calculate the vertical and horizontal components of this resultant force

  Calculate how high is the image formed by the contacts

The far point of a nearsighted person is 8.5 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts

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