Ask a New Question

Electrons in a narrow beam

Electrons in a narrow beam travelling at a steady speed of 5 x 10^7 ms^-1 are directed into the space between two oppositely
1. 1 answer
2. asked by Ben
3. 564 views
A television set shoots out a beam of electrons. The beam current is 10E-6Amp(10macroAmp. How many electrons srike the TV screen
1. 0 answers
2. asked by Mazino
3. 543 views
1. what happens to a narrow light beam that enters parallel to the principal axis on a spherical concave mirror?2. what happens
1. 1 answer
2. asked by Karen
3. 2,249 views
A beam containing one hundred billion (i.e. 1x10^11) electrons moves perpendicula to a 4.0 Tesla magnetic field and is deflected
1. 1 answer
2. asked by GRISSELL
3. 588 views
A narrow beam of light passes through a plateof glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from
1. 0 answers
2. asked by cece
3. 825 views
A beam of electrons with momentum p=10^-23 kg m/s passed through a narrow slit of width d=10^-5 m. What is the uncertainty
1. 1 answer
2. asked by Hil
3. 1,269 views
What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which
1. 0 answers
2. asked by Lacey
3. 1,001 views
How does magnification occur in an electron microscope?Light is changed into electrons by a convex lens. An electron beam makes
1. 1 answer
2. 65 views
A reflection of a narrow beam of light incident normally on a plane mirror falls on a meter rule placed parallel to the mirror
1. 1 answer
2. 94 views
in an electron microscope, a tungstun cathode with work function 4.5 eV is heated to release electrons that are then initially
1. 1 answer
2. asked by shelly
3. 815 views