A Student Sets the Cross-Hairs of an Eyepiece in Line

question 61

Multiple Choice

A student sets the cross-hairs of an eyepiece in line with an image that he is measuring. He then notes that when he moves his head slightly to the right, the image moves slightly to the left (with respect to the cross-hairs) . Therefore the image is:

• A) infinitely far away
• B) farther away from him that the cross-hairs
• C) nearer to him than the cross-hairs
• D) in the focal plane of the eyepiece
• E) in the plane of the cross-hairs

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A liquidity ratio that measures a company's ability to pay short-term obligations with its current assets.

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A profitability metric calculated as net income divided by revenue, expressing the percentage of revenue that remains as profit after all expenses are deducted.

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A set of international standards on quality management and quality assurance developed to help companies effectively document the quality system elements required for maintaining an efficient quality system.

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