An Electron in a TV Picture Tube Is Accelerated Through

question 48

Multiple Choice

An electron in a TV picture tube is accelerated through a potential difference of 29 kV before it hits the screen.What is the kinetic energy of the electron in electron volts? (1 eV = 1.6 × 10−¹⁹ J)

• A) 2.9 × 10⁴ eV
• B) 4.6 × 10−¹⁵ eV
• C) 4.6 × 10−²² eV
• D) 18.1 × 10²² eV
• E) ​4.5 × 10−¹⁵ eV

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Definitions:

Normally Distributed Curve

A mathematical depiction illustrating a bell-shaped distribution where the data exhibits a symmetrical spread around the mean value.

Median

The median is the central number in a series of data after it has been organized in either increasing or decreasing sequence.

Median

The middle value in a list of numbers, which divides the data set into two halves.

Standard Deviations

A numerical metric that calculates the extent of spread or deviation of a dataset values from its average.