What is minimum de broglie wavelength of ejected electrons

Assignment Help Physics
Reference no: EM13665151

Light with a frequency of 2.99 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons?

Reference no: EM13665151

Questions Cloud

What rate is thermal energy generated in the loop : If 52.0 cm of copper wire (diameter = 1.00mm) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at a constant rate of 11.0 mT/s, at what rate is thermal energy generated in the loop?
Electromagnetic wave that constitutes the beam : A laser emits 1.42*1018 photons per second in a beam of light that has a diameter of 1.88 mm and a wavelength of 519.0 nm. Decide each of the following for the electromagnetic wave that constitutes the beam. The average electric field strength
Diameter of circle at surface-light emerges from the water : A point source of light is 235.0 cm below the surface of a body of water. Discover the diameter of the circle at the surface during which light emerges from the water.
What is the increase in temperature of an aluminium nail : If 60.0% of the kinetic energy delivered with a 907g hammer with a speed of 7.80 m/s is transformed into heat that flows into the nail and does not flow out, what is the increase in temperature of an 8.00 g aluminium nail after it is struck 10.0 time..
What is minimum de broglie wavelength of ejected electrons : Light with a frequency of 2.99 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons?
Through the compression stroke of a diesel engine : Through the compression stroke of a diesel engine, air is compressed from 1 atm and 27 degrees C to 1/25 of its initial volume. Suppose that Cv for air is 2R and that the compression is adiabatic. How much work is required per gram - mole?
What is the force exerted with the spring on mass : Two boxes of massm1 = 15 kg and mass m2 = 22 kg are linked by a spring with spring constant k =62 N/m. The mass of the spring is negligible. A horizontal force of F = 180 Nis applied to mass m1, which is to the left of massm2, causing both boxes to m..
Decide the kinetic energy as it reaches level ground : A 5.60kg mass is pushed against a spring (k=2000N/m) such that the spring is compressed 12 cm.  The mass is released, slides 1.50m down the incline, along which μ=0.140.  Decide the kinetic energy as it reaches level ground.
Push back the atmosphere to make room for the vapour : To vaporize 1 g of water requires about 538 cal of heat interaction at 100 degrees C. The resulting vapor at 1 atm occupies a volume of 1674 cm^3. What fraction of the heat of vaporization represents the work needed to push back the atmosphere to mak..

Reviews

Write a Review

Physics Questions & Answers

  What is the average force applied to the car

A 1000 kg car is traveling at a constant speed of 30 m/s, what is the average force applied to the car

  Capacitor reaches a potential dissimilarity

An originally uncharged 10μF capacitor is charged by a 10 V battery through a resistance R. The capacitor reaches a potential dissimilarity of 4V in a period of 3 s after the charging began. discover the value of R.

  Light is incident on an equilateral glass prism at a 45

light is incident on an equilateral glass prism at a 45 degree angle to one face. calculate the angle at which light

  Evaluate how fast is it moving

At room temperature a Nitrogen molecule,with mass of 4.76*10^-26 kg typically has a kinetic energy of 5.6*10^-21 J. How fast is it moving

  The radius of electron is 10 -18 m what is the minimum

the radius of electron is 10 -18 m . what is the minimum momentum transfer order of magnitude required to resolve the

  How much ice is melted because of the collision

A boat moves relative to water with a velocity which is n =2 times less than the river flow velocity. At what angle to the stream direction should the boat move to minimize drifting.

  Find its speed at the instant it left the table

A ball rolls horizontally off the edge of a tabletop that is 1.20 m high. It strikes the floor at a point 1.63 m horizontally away from the table edge. What was its speed at the instant it left the table

  What is the change in the volume of the system

A system gains 2850 J of heat at a constant pressure of 1.32 × 105 Pa, and its internal energy increases by 4100 J. What is the change in the volume of the system

  Find the amount of work in foot-pounds required to empty

What impulse Ft should be supplied to bring the ball to rest? If the ball is stopped in 0.03 s, what is the average force of the ball on the catcher's hand.

  What would be the length of this same trip

A space traveler moving at a speed of 0.65c with respect to the earth makes a tripto a distant star that is stationary relative to the earth. What would be the length of this same trip

  How long does it take the car to change its speed

In a test run,a certain car accelerates uniformly from zero to 20.2m/s in 2.95s. How long does it take the car to change its speed from 10.01m/s to 20.02m/s

  Determine how far does each ball travel horizontally

Two balls are rolled off the tabletop that is 0.75m above the floor. how far does each ball travel horizontally before hitting the floor

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