An electron of mass 9.11x10^(-31) is fired from an electron gun at 7x10^6 m/s. What size object will the electron need to interact with in order to diffract?

Momentum of electron=mv=6.377x10^-24 kg m/s

λ=h/mv=6.63x10-34/6.377x10-24=1.039...x10-10=1x10-10

JG
Answered by Jozefina G. Physics tutor

2880 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

What is meant by the doppler effect?


Find the magnitude of the force on an electron that is travelling with velocity 2 x 10^4 ms^(-1) in the x direction through a uniform magnetic field of strength 2T in the y direction.


Describe the photoelectric effect and what it tells us about the properties of light .


A stationary particle explodes into 3: A (to the left), B and C (both to the right). B has mass m and speed 3v. C has mass 2m and speed v. A has speed 2v. What is the mass of A in terms of m?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning