1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

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Vikas TU · Answer

Hiiii Electric field due to large metal plate E = σ / 2 ε Projected electron motion will be like curved path , having projectie. AB will be maximum when Q= 45 degree a = row* E / m => P* σ / 2 ε* m Further calculate and check for ans,

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1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

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1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

1. A large flat metal surface has uniform charge density + σ. An electron of mass m and charge e leaves the surface at point A with speed ν, and return to it at point B. The maximum value of AB is 1) νm∈0σe 2) ν2m∈0eσ 3) ν2e∈0σm 4) ν2σe∈0m

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