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:

Motorcycle Accident

A traffic incident involving one or more motorcycles, often leading to injury or damage.

Flex Wrist

The action of bending the wrist or moving the palm of the hand towards the forearm.

Extend Elbow

The motion of increasing the angle between the forearm and the upper arm, straightening the arm.

Radial

Pertaining to the radius bone or the radial artery, often relating to the lateral aspect of the forearm or positioning towards the radius.