A Simple Magnifier Makes an Image Appear at the near Point

question 12

Multiple Choice

A simple magnifier makes an image appear at the near point distance from the eye of the viewer (25 cm) .What is the magnifying power of the magnifier if it is constructed of a lens of focal length of 6.3 cm? Do not use the approximation formula.

• A) 5.0
• B) 50
• C) 1.2
• D) 7.3

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Definitions:

P(Z < 3.00)

A statistical expression indicating the probability of a standard normal variable being less than 3.00.

P(Z > 1.9)

The probability that a standard normal random variable Z exceeds the value of 1.9, commonly used in statistical analysis to find tail probabilities.

Mean

The average of a set of numbers, calculated by dividing the sum of the values by their count.

Standard Deviation

A gauge that evaluates the breadth of fluctuation or spread of dataset values in relation to the central value.