If the De Broglie Wavelength of an Electron Is 44

question 48

Multiple Choice

If the de Broglie wavelength of an electron is 44 nm,what is its velocity? (The mass of an electron is 9.11 × 10^-31 kg.)

• A) 6.0 × 10^-5 m/s
• B) 1.2 × 10³ m/s
• C) 1.7 × 10⁴ m/s
• D) 3.1 × 10¹⁰ m/s
• E) 4.8 × 10²² m/s

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Definitions:

Quantitative Research

A data-collection process that focuses on a numerical analysis of people’s responses or specific characteristics.

Face-To-Face Interviews

A method of data collection where the interviewer and respondent interact directly in person.

Nonprobability Sample

A sampling method where not all members of a population have an equal chance of participating in the study, often leading to bias.

Field Researchers

Professionals who conduct research outside of a laboratory setting, gathering data directly from natural or real-world environments.