An Electron and Positron,each Having Kinetic Energy 10 MeV,annihilate and Produce

question 49

Multiple Choice

An electron and positron,each having kinetic energy 10 MeV,annihilate and produce two photons.What wavelength is each photon?

• A) 0.124 pm
• B) 0.118 pm
• C) 0.248 pm
• D) 0.062 pm
• E) need more information

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Definitions:

Leftover Income

Leftover Income refers to the amount of income remaining after all expenses and taxes have been paid.

Budget Constraint

An economic model that represents all the combinations of goods and services a consumer can afford given their income and the prices of goods.

Bundle

A collection of products or services sold as a single package deal, often at a discounted price.

Budget

A financial plan for a defined period, outlining expected revenues and expenditures.