Two Beams of Coherent Light Are Shining on the Same

question 85

Multiple Choice

Two beams of coherent light are shining on the same piece of white paper.With respect to the crests and troughs of such waves,darkness will occur on the paper where:

• A)the crest from one wave overlaps with the crest from the other.
• B)the crest from one wave overlaps with the trough from the other.
• C)the troughs from both waves overlap.
• D)darkness cannot occur as the two waves are coherent.

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Definitions:

Otitis Media

An infection or inflammation of the middle ear, common in children.

Myringoplasty

is a surgical procedure to repair a perforation in the tympanic membrane (eardrum).

Tympanic Membrane

Referred to as the tympanic membrane, it is a delicate membrane that divides the outer ear from the middle ear and responds to sound waves by vibrating.

Surgical Repair

Medical procedures that involve the reconstruction or restoration of a part of the body to improve its function or appearance.