A Beam of X-Rays at a Certain Wavelength Are Scattered

question 1

Multiple Choice

A beam of X-rays at a certain wavelength are scattered from a free electron at rest and the scattered beam is observed at 45.0° to the incident beam.What is the change in the wavelength of the X-rays? (m_el = 9.11 × 10^-31 kg,h = 6.626 × 10^-34 J • s,c = 3.00 × 10⁸ m/s)

• A) 0.175 pm
• B) 0.276 pm
• C) 0.000 pm
• D) 0.356 pm
• E) 0.710 pm

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the true population parameter.

Population Mean

The average value of all measurements in a population, reflecting the central location of the data.

Alpha (α)

A threshold value in hypothesis testing used to determine whether to reject the null hypothesis, typically set at 0.05 or 0.01.

Population Mean

The average value of a population set, where the population includes all members of the set.