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What Is the Angular Separation of Two Spectral Lines of Wavelengths

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Multiple Choice

What is the angular separation of two spectral lines of wavelengths 497 nm and 251 nm formed in the third order with a grating having 587 lines per millimeter?


Definitions:

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A disorder where the veins have problems sending blood from the limbs back to the heart, causing swelling and pain.

Open-Heart Surgery

A surgical procedure to repair or replace heart valves, repair damaged or diseased parts of the heart, and to implant devices to support heart function.

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