A Thin Beam of Laser Light of Wavelength 514 Nm

question 21

Multiple Choice

A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having 3952 lines/cm.The resulting pattern is viewed on a distant curved screen that can show all bright fringes up to and including ±90.0° from the central spot.What is the TOTAL number of bright fringes that will show up on the screen?

• A) 4
• B) 5
• C) 8
• D) 9
• E) 10

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Definitions:

Future Volatility

The degree of variation of trading prices over time, typically measured by the standard deviation of returns, predicting the range of potential movements of an asset's price.

Rates of Return

The gains or losses of an investment over a specified period, expressed as a percentage of the investment's initial cost.

Rational Risk-averse Investor

An investor who prioritizes minimizing risk over achieving potentially higher returns when making investment decisions, acting based on logical analysis.

Well-diversified Portfolio

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