An Electron Is Fired Through a Pair of Deflection Plates,which $\times$

question 67

Multiple Choice

An electron is fired through a pair of deflection plates,which produce a 2.00 cm long region with an electric field of 4000 N/C perpendicular to the electron's initial velocity.If the initial speed of the electron is 1.00 $\times$ 10⁷ m/s,what angle will its new velocity make with the direction of the original velocity?

• A) 14\(^{\circ}\)
• B) 8.0\(^{\circ}\)
• C) 5.5\(^{\circ}\)
• D) 4.6\(^{\circ}\)
• E) 1.4\(^{\circ}\)

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