Diffraction Grating: What Is the Angular Separation of the Two

question 62

Multiple Choice

Diffraction grating: What is the angular separation of the two second-order spectral lines having wavelengths 417 nm and 388 nm using a diffraction grating having 456 lines/mm?

• A) 1.63°
• B) 1.52°
• C) 0.815°
• D) 3.26°

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Definitions:

Visual Impairment

A decrease in the ability to see to a significant extent, not fixable by usual means such as glasses.

Excessive Rubbing

The act of rubbing a body part too much or too harshly, which could cause damage or irritation to the skin or tissues.

Rapid Lateral Movement

Quick side-to-side movement, often referenced in physical activity or sports to describe swift changes in direction.

Trisomy 13

Also known as Patau syndrome, a genetic disorder caused by an extra copy of chromosome 13, associated with severe intellectual disability and physical abnormalities.