A Metallic Sheet Has a Large Number of Parallel Slits,5

question 30

Multiple Choice

A metallic sheet has a large number of parallel slits,5.0 mm wide and 20 cm apart.This sheet is used as a diffraction grating for microwaves.A wide parallel beam of microwaves is incident normally on the sheet.If the intensity maxima occur 2.0° apart in the central region,what is the wavelength of the microwaves?

• A)5.0 mm
• B)6.0 mm
• C)7.0 mm
• D)8.0 mm
• E)9.0 mm

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Definitions:

Twentieth-century

The period from January 1, 1900, to December 31, 1999, marking the 20th century of the Gregorian calendar.

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A continent located in the Northern Hemisphere and almost entirely within the Western Hemisphere, comprising countries like the United States, Canada, and Mexico.

Sexual Orientation

An individual's pattern of emotional, romantic, or sexual attraction to others, which can include heterosexuality, homosexuality, bisexuality, among others.

Tolerant of Homosexuals

Showing acceptance and openness towards individuals who identify as homosexual, supporting their rights and acknowledging their sexual orientation without prejudice.