In a Cathode Ray Tube Electrons Are Initially Travelling Horizontally

question 67

Multiple Choice

In a cathode ray tube electrons are initially travelling horizontally at 4 *10⁶ m/s.The horizontal distance electrons would have to travel for a vertical drop of 0.2 mm in vacuum is

• A)400 m.
• B)1500 m.
• C)3.8 km.
• D)25.5 km.