Compute the kinetic energy of the electrons

Assignment Help Physics
Reference no: EM13665160

A beam of electrons is incident on two slits separated with a distance of2.0×10-6 m. The first-order bright fringes appear on a distant screen at an angle of 0.021 degrees from the central interference maximum.

Compute the wavelength.

What is the momentum of the electrons?

Compute the kinetic energy of the electrons.

Reference no: EM13665160

Questions Cloud

How fast is the meteor moving with respect to earth : A woman on a rocket traveling at 0.85c (by respect to Earth) observes a meteor come towards her and pass her at 0.79c. How fast is the meteor moving with respect to Earth?
What angle by respect to the normal would a fish see the sun : Sunlight strikes the surface of a lake at an angle of incidence of 60.0°. At what angle by respect to the normal would a fish see the Sun?
Stamp collector is viewing a stamp with a magnifying glass : A stamp collector is viewing a stamp with a magnifying glass held next to her eye. Her near point is 25 cm from her eye. The refractive power of a magnifying glass that has an angular magnification of 6.0 when the image of the stamp is located at the..
A radio station broadcasting on a frequency : A radio station broadcasting on a frequency of 106 MHz is received with an astronaut headed toward the station at a speed1.0×107 m/s. To what frequency should the astronaut's radio be tuned?(MHz)
Compute the kinetic energy of the electrons : A beam of electrons is incident on two slits separated with a distance of2.0×10-6 m. The first-order bright fringes appear on a distant screen at an angle of 0.021 degrees from the central interference maximum.
In a colliding-beam experiment : In a colliding-beam experiment, particles traveling at 0.85crelative to the laboratory met in a head-on collision by other particles traveling in the opposite direction at 0.92c relative to the lab. What is the relative speed of approach of the parti..
Two plane mirrors are facing each other they are parallel : Two plane mirrors are facing each other they are parallel 3.00 cm apart and 17.0 cm in length a laser beam is directed at the top mirror from the left edge of the bottom mirror what is the smallest angle of incidence with respect to the top mirror su..
What is the net magnetic force on one meter of each wire : The figure below shows five long parallel wires in the xy plane. All wire carries a current i = 6.00 A in the positive x direction. The separation among adjacent wires is d = 7.95 cm. What is the net magnetic force on one meter of each wire, due to t..
What is the energy of the highest-energy electron : A harmonic oscillator potential of natural frequency ω contains a number of electrons and is in the state of lowest energy. If that energy is 6.5 h ω,(a) how many electrons are in the potential well, and (b) what is the energy of the highest-energy e..

Reviews

Write a Review

Physics Questions & Answers

  What is the magnification of the mirror

A convex spherical mirror, whose focal length has a magnitude of18.8cm, is to form an image11.2cm behind the mirror. Where should the object be placed? What is the magnification of the mirror?

  What is the translational kinetic energy of this system

Consider a system consisting of three particles: m1 = 5 kg, 1 = m/s, m2 = 3 kg, 2 = m/s, m3 = 5 kg, 3 = m/s. What is the translational kinetic energy of this system

  What is the appropriate banking angle

A hot-air balloon is ascending at the rate of 11 m/s and is 68 m above the ground as a package is dropped over the side. How long does it take to reach the ground.

  Calculate change in kinetic energy

Calculate  change in kinetic energy

  The energy consumption and area required by the solar cell

The light energy that falls on a square meter of ground over the course of a typical sunny day is about 20 MJ. The average rate of electric energy consumption in one house is 1.0 kW. Find the energy consumption and area required by the solar cell

  Calculate the approximate volume of a nucleus of uranium

Calculate the approximate volume of a nucleus of uranium, 235/92 U and Calculate the approximate radius of a nucleus of uranium, 235/92 U

  Find the maximum rms current

A 9.7 Ω resistor,a 10.8 µF capacitor, and a 27.9 mH inductor are connectedin series with a 120 V (rms) source with variable frequency. At what frequency will the current be maximum? Find the maximum rms current.

  How much ice remains when the system reaches equilibrium

In an insulated vessel, 260 g of ice at0°C is added to 630 g of water at19.0°C. What is the final temperature of thesystem? How much ice remains when the system reaches equilibrium?

  Weobserve that the ball hangs at an angle

As shown in the figure above, a ball of mass 0.36 g and positive charge q =36.4 mC is suspendedon a string of negligible mass in a uniform electric field. Weobserve that the ball hangs at an angle of J=15.0 degrees from the vertical. What is the ..

  Find the gauge pressure at the bottom of the cone

An ice cream cone is filled with melted vanilla ice cream of density 1.21g/cm3 The cone is 10.1cm long and has a diameter of 6.1 cm at the larger top end. Find the gauge pressure at the bottom of the cone

  Estimate the buoyant force acting on the balloon

A large balloon of mass 220 kg is filled with helium gas until its volume is 321 m3. Calculate the buoyant force acting on the balloon

  Obtain the change in length of the rod

An aluminum rod is 16.0 cm longat 20°C and has a mass of 350 g. If 13000 J of energy is added to the rod by heat, what is the change in length of the rod

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