If a Wave from One Slit of a Young's Double-Slit

question 50

Multiple Choice

If a wave from one slit of a Young's double-slit set-up arrives at a point on the screen one wavelength behind the wave from the other slit,what is observed at that point?

• A)dark fringe
• B)bright fringe
• C)multi-colored fringe
• D)gray fringe,neither dark nor bright

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Definitions:

DNA

A molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Genome

Includes all the hereditary information of an organism. The genome comprises the totality of the DNA, including the coding and noncoding regions.

Phenotypic Plasticity

An organism's capability to modify its phenotype as a reaction to environmental shifts.

Malnourished

The condition resulting from an insufficient intake or absorption of nutrients, leading to poor health and physical weakness.