Starting from Rest,an Electron Accelerates Through a Potential Difference of 40

question 53

Multiple Choice

Starting from rest,an electron accelerates through a potential difference of 40 V.What is its de Broglie wavelength? (h = 6.63 x 10^-34 J*s,m_e = 9.11 x 10^-31 kg,and 1 eV = 1.60 x 10^-19 J)

• A)1.1 x 10^-10 m
• B)1.5 x 10^-10 m
• C)1.9 x 10^-10 m
• D)2.3 x 10^-10 m

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Definitions:

Break-Even Point

The financial position at which cost and revenue are equal, resulting in neither profit nor loss.

Break-Even Point

The point at which total costs and total revenues are equal, meaning no profit or loss occurs.

Bearish

A market sentiment indicating an expectation that stock prices will decline.

Put

An options contract giving the owner the right, but not the obligation, to sell a specified amount of an underlying asset at a set price within a specified time.