Starting from Rest, an Electron Accelerates Through a Potential Difference

question 60

Multiple Choice

Starting from rest, an electron accelerates through a potential difference of 67 V. What is its de Broglie wavelength? (h = 6.63 *10 ^{- 34} J.s, m_e = 9.11 *10 ^{- 31} kg, and 1 eV = 1.60 *10 ^{- 19} J)

• A) 1.1 *10 ^{- 10} m
• B) 1.5 *10 ^{- 10} m
• C) 1.9 *10 ^{- 10} m
• D) 2.3 *10 ^{- 10} m

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Definitions:

Neurons

Specialized cells in the nervous system that transmit information to other cells through electrical and chemical signals.

Glia Cells

Non-neuronal cells in the central and peripheral nervous systems that do not produce electrical impulses but are responsible for support and maintenance of neural cells.

Hemispheres

The two halves of the brain (left and right), each responsible for different functions and cognitive processes.

Left-Brained

The notion that people who are "left-brained" tend to be more logical, analytical, and objective in their thought processes.