Light of Wavelength $\lambda$ Is Normally Incident on Some Plane Optical Device

question 23

Multiple Choice

Light of wavelength $\lambda$ is normally incident on some plane optical device. The intensity pattern shown is observed on a distant screen ( $\theta$ is the angle measured to the normal of the device) . The device could be:

• A) a single slit of width W
• B) a single slit of width 2W
• C) two narrow slits with separation W
• D) two narrow slits with separation 2W
• E) a diffraction grating with slit separation W

Comprehend subject-verb agreement and its significance in constructing proper sentences.

Identify and use various verb tenses accurately.

Apply techniques to avoid sexist language in writing.

Define and recognize the use of euphemisms and specialized phrases.

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Definitions:

Newspapers

Printed publications, usually issued daily or weekly, carrying news, feature articles, advertisements, and other information of public interest.

Footnotes

Notes placed at the bottom of a page within a document or publication, used to provide additional information or references.

Same Page

An idiom indicating mutual understanding or agreement among people on a particular matter.

Ranking Scales

A method of data collection that involves ordering items or entities according to certain criteria, such as preference or importance.