Comment on the advantages of electron microscopes

Assignment Help Physics
Reference no: EM13675932

What is the de Broglie wavelength (in angstrom) of an electron at 100 eV? What is the wavelength for electrons at 12 keV, which is typical of electron microscopes? Comparing this to visible light comment on the advantages of electron microscopes.

Reference no: EM13675932

Questions Cloud

What is the specific heat capacity of the other substance : Two bars of identical mass are at 32 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of ..
Discover the change in the interior volume of the shell : A thin spherical shell of silver has an inner radius of 2.84 x 10   -2 m when the temperature is 24.8 °C. The shell is heated to 138 °C. Discover the change in the interior volume of the shell.
Decide the volume of the kettle : A copper kettle contains water at 20.0 °C. When the water is heated to 91.9 °C, the volume of the kettle expands with 1.26 x 10  -5 m  3. Decide the volume of the kettle at 20.0 °C.
Final temperature t of soda-watermelon in degrees celsius : An ice chest at a beach party contains 12 cans of soda at 3.41 °C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 6.24-kg watermelon at 26.9 °C to the chest.
Comment on the advantages of electron microscopes : What is the de Broglie wavelength (in angstrom) of an electron at 100 eV? What is the wavelength for electrons at 12 keV, which is typical of electron microscopes? Comparing this to visible light comment on the advantages of electron microscopes.
A woman stands among a vertical mirror : A woman stands among a vertical mirror, which is 0.56 m high, and a distant tree. She is 1.05 m from the mirror, and the tree is 10.0 m from the mirror. How tall is the tree if she sees its image just filling the mirror?
Random error-systematic error and correction : Match the situation listed in (a)-(b) to the proper kind of errors: A- Random Error. B- Systematic Error. C- Correction. D- Mistake.
What happened to the kinetic energy of the brick : A child, whose weight is 150 N, lifts a pumpkin from the ground with a force of 50 N. The force the pumpkin exerts on the child is: A car rounds a curve while maintaining constant speed. A brick slides across a horizontal rough surface and eventually..
What is the speed of the traveling waves on the string : A vibrating string 45.0cm long is under a tension of 1.05N. The results from five successive stroboscopic pictures are shown in the figure (Figure 1). The strobe rate is set at 5000 flashes per minute, and observations reveal that the maximum displac..

Reviews

Write a Review

Physics Questions & Answers

  What is the current in the circuit

A circuit consists of a 215-Ω resistor and a 0.200-Hinductor. These two elements are connected in series across generator that has a frequency of 130 Hz and a voltage of 245 V.

  Find the x and y components and the magnitude and direction

Find the x and y components and the magnitude and direction of the electric field at the following points. Find the x and y components and the magnitude of the electric field at the origin.

  A uniform meter stick with a mass of 135 g rotates about

a uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing through the center

  Determine the acceleration of the alcohol filled shell

A thin spherical shell of mass 0.300 kg and diameter 0.190 m is filled with alcohol. It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the water.

  What should be the distance between the two swings

Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. What should be the distance (in m) between the two swings

  What is the speed and pressure in the constriction

The liquid of density p in a horizontal pipe of diameter d1 before a constriction is at pressure P1 and flowing with the speed v1

  The direction of propagation of the wave

A plane polarized EM wave propagates through a polymer. Such waves obey a similar wave equation to that found for free space. The wave has a magnetic field vector, ??=[(?1.2??)?sin(??y+??t)] ?T, with frequency ??=7.61×10^(14) Hz and wave number ??..

  What is the mass of the other sphere

Two titanium spheres approach each other head-on with the same speed and collide elastically. What is the mass of the other sphere

  Q a hot wheels track has a spring loaded launcher a 100g

q. a hot wheels track has a spring loaded launcher. a 100g car is pushed into the launcher which compresses the spring

  What are the components of the speedboats final velocity

A speedboat moves on a lake with initial velocity vector v1,x = 8.35 m/s and v1,y = -2.39 m/s, then accelerates for 6.81 seconds at an average acceleration of aav,x = -0.106 m/s2 and aav,y = 0.102 m/s2. What are the components of the speedboat\'s fin..

  Find the initial velocity of the ball before the collision

A 50 gram ball enters a a pendulum with mass 200 g. The pair then swings up to a height of 14.5 cm. Find the initial velocity of the ball before the collision

  Obtain the minimum time for which engines must be turned on

A spaceship needs to change its course thus that the magnitude of its momentum p remains the same but the direction changes by the angle α. Obtain the minimum time for which the engines must be turned on

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