The Distance Between the Slits in a Double-Slit Experiment Is

question 59

Multiple Choice

The distance between the slits in a double-slit experiment is increased by a factor of 4.If the distance between the fringes is about the same as the distance from the slits to the screen,the distance between adjacent fringes

• A)increases by a factor of 2.
• B)increases by a factor of 4.
• C)decreases by a factor of 2.
• D)decreases by a factor of 4.
• E)depends on which two fringes are used for the measurement.

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Definitions:

Transcribed

The process in which a segment of DNA is copied into RNA by the enzyme RNA polymerase.

End Product

The final product resulting from a process, often after a series of intermediate stages or chemical reactions.

Repressor Protein

A negative regulatory protein that inhibits transcription when bound to DNA; some repressors require a corepressor to be active; some other repressors become inactive when bound to an inducer molecule. Compare with activator protein.

Repressible Genes

Genes whose expression is decreased or halted by the presence of a specific substance, often the end product of the gene's pathway.