If an X-Ray Beam of Wavelength 1

question 53

Multiple Choice

If an x-ray beam of wavelength 1.4 × 10^-10 m makes an angle of 30° with a set of planes in a crystal causing first order constructive interference,what is the plane spacing?

• A) 0.28 nm
• B) 0.070 nm
• C) 0.32 nm
• D) 0.16 nm
• E) 0.14 nm

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Definitions:

Depreciated

The decrease in the value of an asset over time due to wear and tear, age, or obsolescence, typically accounted for on financial statements through depreciation expense.

Salvage Value

The anticipated market value of an asset at the conclusion of its utility period.

Declining-Balance Method

A method of accelerated depreciation where an asset loses value at a faster rate in its early years of use.

Revenue Expenditures

Expenditures that are immediately charged against revenues as an expense.