A Horizontally-Projected Beam of Protons Travelling at 55 Km/s Travels $\times$

question 16

Multiple Choice

A horizontally-projected beam of protons travelling at 55 km/s travels between two parallel plates separated by 7.4 cm,and 12 cm long,between which there is an electric field of 7.2 mV/m upward.If the beam enters the region at exactly midway vertically between the plates,and exits the region 7.2 microns closer to the lower plate,where relative to the lower plate would a beam of electrons - injected into the region at the same location - exit? The proton mass is 1.67 $\times$ 10^-27 kg and that of the electron is 9.11 $\times$ 10^-31 kg.

• A) 0.9 cm
• B) 5.1 cm
• C) 2.3 cm
• D) 4.6 cm

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Definitions:

Reaction Mechanism

A Reaction Mechanism describes the step-by-step sequence of elementary reactions by which overall chemical change occurs.

Skeletal Rearrangement

A type of chemical reaction or process where the carbon skeleton of a molecule is altered, leading to a structural rearrangement.

Sulfuric Acid

A highly corrosive strong mineral acid with the molecular formula H2SO4, widely used in industry and laboratory settings.

Alkene Products

Compounds resulting from chemical reactions involving alkenes, characterized by the presence of at least one carbon-carbon double bond.