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

question 28

Multiple Choice

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

• A)1.75 × 10^-13 m
• B)2.76 × 10^-13 m
• C)0 m
• D)3.56 × 10^-13 m
• E)7.10 × 10^-13 m

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Definitions:

Full-load Speed

The speed at which a motor operates when it is carrying its rated load.

Label Designation

A system of identifiers assigned to items to indicate information such as control function, component type, and usage.

Stator

The stationary part of an electric motor or generator, containing coils of wire.

Conduit Box

An enclosure attached to electric motors or other equipment that allows for the connection and protection of wiring.