A Material Has an Index of Refraction of 1

question 74

Multiple Choice

A material has an index of refraction of 1.92 for light from a 560 nm source. What is the speed of light for this wavelength within the material? (c = 3.00 * 10⁸ m/s)

• A) 2.19 *10⁸ m/s
• B) 4.68*10⁸ m/s
• C) 1.56 * 10⁸ m/s
• D) 1.92 * 10⁸ m/s

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Definitions:

Medicare Tax Rate

The percentage of an individual's wages that is withheld or paid toward Medicare, a U.S. government health insurance program.

Net Pay

The amount of an employee's income after all deductions like taxes, insurance, and retirement contributions have been subtracted.

Social Security

A government program that provides financial assistance to people with inadequate or no income, such as the elderly, disabled, and survivors.

Medicare Tax

A federal tax that funds Medicare, health insurance for individuals over 65; deducted from employees' paychecks.