Bright and Dark Fringes Are Seen on a Screen When

question 29

Multiple Choice

Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be doubled

• A)if the distance between the slits is doubled.
• B)if the wavelength is changed to .
• C)if the distance between the slits is quadruple the original distance and the wavelength is changed to .
• D)if any of the above occurs.
• E)only if the width of the slits is changed to .

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Definitions:

Vocabulary

The set of words known and used by a person in a language.

Harry Bahrick

A psychologist known for his research on memory, including the durability and retrievability of long-term memories.

Forgetting Curve

A graphical representation of the decline of memory retention over time, illustrating how information is lost when there is no attempt to retain it.

Ebbinghaus

Refers to Hermann Ebbinghaus, a German psychologist famous for his research on memory and learning, particularly known for the forgetting curve and the spacing effect.