A Young's Interference Experiment Is Conducted with Blue Argon Laser

question 29

Multiple Choice

A Young's interference experiment is conducted with Blue argon laser light (λ = 499 nm) .The separation between the slits is 0.60 mm,and the interference pattern appears on a screen 4.3 m away.What is the spacing between the bright fringes? (1 nm = 10−⁹ m)

• A) 3.0 mm
• B) 3.6 mm
• C) 12 mm
• D) 7.2 mm
• E) ​2.1 mm

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Definitions:

Aerosol Drug

Medication delivered in the form of a mist inhaled into the lungs, typically used for respiratory conditions.

Huff Coughs

A technique of coughing with an open glottis that is less forceful than a normal cough, designed to move mucus up the airways.

Percussion

A diagnostic technique used in medicine that involves tapping on the surface of the body to listen to the resulting sound for clues about the underlying structure.

Vibrations

Oscillations or repetitive motions around an equilibrium point, common in mechanical systems and structures, and which can be analyzed for maintenance, comfort, or design purposes.