Light from a Laser Forms a 1

question 84

Multiple Choice

Light from a laser forms a 1.31-mm diameter spot on a wall.If the light intensity in the spot is
What is the power output of the laser? Assume that all the light emitted by the laser hits the spot.

• A)21.3 mW
• B)13.2 mW
• C)17.9 mW
• D)24.7 mW

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Definitions:

Cylindricity

A form tolerance that defines how much a cylindrical feature's actual profile may deviate from a perfect cylinder.

Total Runout

Total runout is a tolerance that controls the total variation a surface can have when it is rotated around an axis or datum.

Datum Axis

An imaginary line defined by the geometric center or specified points of a feature, used as a reference or starting point for measurements and geometric definitions.

Checking Indicator

A precision measurement tool used to assess the conformity of parts to specified tolerances or dimensions, often in machining processes.