Electrons with a Speed of 2

question 37

Multiple Choice

Electrons with a speed of 2.1 × 10⁶ m/s are directed towards a 1.0-μm wide slit.An electron detector is placed 1.0 m behind the slit.How wide is the central maximum of the electron diffraction pattern on the detector? (h = 6.626 × 10^-34 J ∙ s,m_electron = 9.11 × 10^-31 kg)

• A)690 μm
• B)350 μm
• C)1,000 μm
• D)1,400 μm

Understand the concept of market competition and its impact on output and efficiency.

Recognize the motivations behind government intervention in markets and the concept of government failure.

Identify the role and impact of externalities in market outcomes.

Grasp the concept of a sound legal system and its importance for market operation.

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Definitions:

Bar-code Scanner

A device used to read and decode bar-codes, often utilized in retail, inventory management, and healthcare for tracking purposes.

Online Database

A digital collection of organized information or data, typically accessed via the internet, that can be searched and retrieved.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood, indicating how well oxygen is being sent to parts of the body furthest from the heart.

Acutely Short

Describes a situation or condition that has become significantly insufficient or lacking in a very short period of time.