A Light Beam Shines Through a Thin Slit and Illuminates

question 45

Multiple Choice

A light beam shines through a thin slit and illuminates a distant screen.The central bright fringe on the screen is 1.00 cm wide,as measured between the dark fringes that border it on either side.Which of the following actions would decrease the width of the central bright fringe? (There may be more than one correct choice.)

• A) increase the wavelength of the light
• B) decrease the wavelength of the light
• C) increase the width of the slit
• D) decrease the width of the slit
• E) put the apparatus all under water

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Definitions:

Incidences of Warfare

Occurrences or instances of armed conflict between groups, emphasizing the frequency and distribution of such events over time or space.

Frequent Mobility

The tendency or need to move often, either in short distances within a local area or longer migrations, found in nomadic or certain modern lifestyles.

Chiefdom

A politically organized society in which several neighboring communities inhabiting a territory are united under a single ruler, who is at the head of a ranked hierarchy of people.

Paramount Chief

A supreme leader among a group of chiefs in certain traditional societies, often with political and spiritual authority over a larger area.