Electric Field Due to Charge Distributions - Approach
An electron i...
Question
An electron is projected as shown in the figure, with kinetic energy K, at an angle θ=45∘
between two charged plates. Ignore the gravity.
The magnitude of the electric field so that the electron just fails to strike the upper plate is
A
Kqd
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B
2Kqd
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C
K2qd
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D
Infinite
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Solution
The correct option is CK2qd
Hmax≤d, where Hmax= maximum height electron can travel