Carbon-12 and Carbon-14 Atoms,(12 and 14 Atomic Mass Units,respectively)each Missing

question 54

Multiple Choice

Carbon-12 and Carbon-14 atoms,(12 and 14 atomic mass units,respectively) each missing one electron,so that they carry +1e electric charge,pass through a velocity selector (therefore have the same speed) and then pass through a hole in a vertical lead plate into a region of uniform magnetic field,also oriented vertically.What is the ratio of the radii of curvature r₁₂/r₁₄ for these two atoms' paths?

• A)0.86
• B)0.93
• C)1.1
• D)1.2
• E)None are correct.

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Definitions:

Fuel Trim

An adjustment to fuel delivery by the engine control module, based on input from the oxygen sensors.

Fuel Delivery

The system or process responsible for supplying fuel from the fuel tank to the engine's combustion chamber.

Short-Term Fuel Trims

Adjustments made by a vehicle's engine control unit (ECU) to the fuel mixture in response to temporary changes in air/fuel demand.

Long-Term Fuel Trims

Adjustments made by a vehicle's engine control unit to the fuel mixture over an extended period to maintain optimal combustion and efficiency.