A Photon Whose Energy Is 8

question 44

Multiple Choice

A photon whose energy is 8.00 × 10−¹⁵ J is scattered off an electron at a 90° angle. What is the wavelength of the scattered wave?

• A) 2.73 × 10−¹¹ m
• B) 2.25 × 10−¹¹ m
• C) 2.50 × 10−¹¹ m
• D) 2.40 × 10−¹² m
• E) 2.48 × 10−¹¹ m

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Definitions:

Welded

Refers to the process of joining metal parts together by melting the pieces and adding a filler material to form a strong bond upon cooling.

Bolted

indicates a method of assembling or securing components using bolts, which are types of fasteners designed to hold materials together or to position them.

Upper Coupler

The kingpin deck plate on a trailer that rides on the fifth wheel on a tractor or lead trailer. Built into the subframe of the trailer. Kingpin may be welded or bolted (riveted in much older trailers) into the upper coupler assembly.

Drawbar Eye

A component designed to connect a trailer to a towing vehicle, allowing it to pivot as needed during maneuvers.