A Point Object P Is Placed Before Two Mirrors at Right

question 89

Multiple Choice

A point object P is placed before two mirrors at right angles as shown. Images of the object are formed only at positions

• A) 1, 2, and 3
• B) 2, 3, and 4
• C) 3, 4, and 5
• D) 2 and 4
• E) 1, 3, and 5

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Definitions:

Type I Error

The mistake of rejecting a true null hypothesis, or in other words, concluding that a difference or effect exists when it actually does not.

Decision Rule

A pre-determined guideline or criterion used to choose between multiple alternatives in the face of uncertainty, often based on statistical analysis.

P Value

The probability of observing the given result, or more extreme, by chance if the null hypothesis is true.

Critical Value

A threshold in hypothesis testing, which when exceeded or not met determines the outcome of the test, often leading to the rejection or acceptance of the null hypothesis.