Question:

An electron moving along the x axis with an initial energy

Last updated: 6/11/2023

An electron moving along the x axis with an initial energy

An electron moving along the x axis with an initial energy of 100 eV enters a region of magnetic field vector B 1 5 x 10 3 T k at S See figure The field extends between x 0 and x 2 cm The electron is detected at the point Q on a screen placed 8 cm away from the point S The distance d between P and Q on the screen is electron s charge 1 6 x 10 1 C mass of electron 9 1 x 10 31 kg 2 cm 8 cm d 1 2 25 cm 2 12 87 cm 3 1 22 cm 4 11 65 cm