A Parallel Beam of Monochromatic Light Is Incident on a Slit

question 60

Multiple Choice

A parallel beam of monochromatic light is incident on a slit of width 2 cm.The light passing through the slit falls on a screen 2 m away.As the slit width is decreased:

• A)the width of the pattern on the screen continuously decreases
• B)the width of the pattern on the screen at first decreases but then increases
• C)the width of the pattern on the screen increases and then decreases
• D)the width of the pattern on the screen remains the same
• E)the width of the pattern on the screen continuously increases

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Definitions:

Relative Size

A monocular cue in perception, suggesting that objects of larger size appear closer to the viewer, while smaller objects appear farther away.

Müller-Lyer Illusion

A visual illusion where two lines of the same length appear to be different lengths due to the orientation of arrow-like ends.

Cross-Cultural Research

Studies conducted with subjects from different cultures or societies, aimed at comparative analysis or understanding of behaviors and phenomena.

Inuit Culture

The cultural practices, traditions, beliefs, and values of the Inuit, indigenous peoples inhabiting the Arctic regions of Greenland, Canada, and Alaska.