If the De Broglie Wavelength of an Electron Is $2.4 \mu \mathrm { m }$

question 64

Multiple Choice

If the de Broglie wavelength of an electron is $2.4 \mu \mathrm { m }$ , what is the speed of the electron? (melectron $= 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s }$ )

• A) \(8.3 \times 10 ^ { 6 } \mathrm {~m} / \mathrm { s }\)
• B) \(2.5 \times 10 ^ { 5 } \mathrm {~m} / \mathrm { s }\)
• C) \(1.7 \times 10 ^ { 3 } \mathrm {~m} / \mathrm { s }\)
• D) \(3.0 \times 10 ^ { 2 } \mathrm {~m} / \mathrm { s }\)

Explain sensory transduction and the role of different receptor types in this process.

Understand the structural and functional variations across different parts of the basilar membrane.

Differentiate between the roles of muscle spindles and Golgi tendon organs in the nervous system.

Recognize the functional roles of horizontal and amacrine cells in the retina.

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Definitions:

Capital Employed

The total amount of capital used for the acquisition of profits by a firm or project, including the value of all assets employed in a business.

Production Function

A formula that specifies the output generated by a firm from varying combinations of factor inputs.

Marginal Cost

The supplementary expense incurred by fabricating one more unit of a product or service.

Diminishing Returns

An economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain constant.