The Diagram Shows a Single Slit with the Direction to a Point

question 54

Multiple Choice

The diagram shows a single slit with the direction to a point P on a distant screen (not shown) .At P, the pattern has its second minimum (from its central maximum) .If X and Y are the edges of the slit, what is the path length difference (PX) - (PY) ?

• A)"\(\lambda\)/2"
• B)"\(\lambda\)"
• C)"3\(\lambda\)/2"
• D)"2\(\lambda\)"
• E)"5\(\lambda\)/2"

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Definitions:

Perceived Risk

The level of risk that an individual believes is associated with a specific action or decision, regardless of the actual risk.

Behaviour

The way in which one acts or conducts oneself, especially towards others.

Attitude

An inclination of the mind demonstrated through appraising a certain entity with a measure of approval or disapproval.

Theory of Planned Behaviour

A psychological theory that predicts an individual's intention to engage in a behavior at a specific time and place.