A Metallic Sheet Has a Large Number of Slits,5

question 27

Multiple Choice

A metallic sheet has a large number of slits,5.0 mm wide and 20 cm apart,and is used as a diffraction grating for microwaves.A wide parallel beam of microwaves is incident normally on the sheet.If the microwave wavelength is 6.0 cm,what is the largest angle away from the central maximum at which an intensity maximum occurs.

• A) 64°
• B) 69°
• C) 74°
• D) 79°
• E) 84°

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Definitions:

Comorbid Disorders

The occurrence of two or more illnesses or disorders in the same person, either simultaneously or sequentially.

Borderline Personality Disorder

A mental health disorder characterized by pervasive patterns of instability in interpersonal relationships, self-image, and emotions, often leading to impulsive actions and intense emotional responses.

First-line Treatment

The initial, preferred therapy recommended for a disease or condition, based on its effectiveness and safety.

Psychotherapy

A therapeutic treatment typically involving verbal communication between a patient and a mental health professional to address emotional and psychological issues.