Physics Class 12 NCERT Solutions: Chapter 1 Electric Charges and Fields Part 12

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Coulomb's force between two charges

Coulomb's Force between Two Charges

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Q: 34. Suppose that the particle in Exercise in (Reference: Chapter 1 Electric Charges And Fields Part 11) is an electron projected with velocity . If E between the plates separated by is , where will the electron strike the upper plate?

Answer:

Velocity of the particle,

Separation of the two plates,

Electric field between the two plates,

Charge on an electron,

Mass of an electron,

Let the electron strike the upper plate at the end of plate L, when deflection is S. Therefore,

Therefore, the electron will strike the upper plate after travelling .