Light from a Lamp,which Emits Light at Several Discreet Different

question 22

Multiple Choice

Light from a lamp,which emits light at several discreet different wavelengths,illuminates an 800 line/mm diffraction grating.A screen is placed 50.0 cm behind the grating where the light is observed.Light of wavelength 501.5 nm creates a first-order bright fringe 21.90 cm from the central maximum.What is the wavelength of the bright fringe that is 34.20 cm from the central maximum?

• A)706 nm
• B)783 nm
• C)852 nm
• D)920 nm

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Definitions:

Effective Rate

A comprehensive annual rate that accounts for compounding, often used in finance and investments to provide a true comparison among different financial products.

Investments

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Occurring or done four times within a year, typically used in financial contexts to describe intervals for payments or reports.

Compounded Monthly

The calculation and addition of interest to the principal sum of a loan or deposit on a monthly basis.