Which of the Following Is Incorrect

question 54

Multiple Choice

Which of the following is incorrect?

• A)The emission spectrum of hydrogen contains a continuum of colors.
• B)Diffraction produces both constructive and destructive interference.
• C)All matter displays both particle and wavelike characteristics.
• D)Niels Bohr developed a quantum model for the hydrogen atom.
• E)The lowest possible energy state of a molecule or atom is called its ground state.

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Definitions:

Labour Efficiency Variance

The difference between the actual labor hours taken to produce a good and the standard hours expected, multiplied by the standard labor rate.

Actual Labour Hours

Actual Labour Hours refer to the total hours worked by employees, measured after the work has been completed, usually for comparison with planned or budgeted hours.

Volume Variance

The difference between the expected volume of sales or production and the actual volume, which can impact costs and profits.