What Experimental Evidence Do Physicists Have for the Direct Transformation

question 150

Multiple Choice

What experimental evidence do physicists have for the direct transformation of energy into matter?

• A) increase in the force upon a body when it is accelerated upward (e.g., in an elevator)
• B) conversion of gamma-ray photons into electrons and antielectrons (i.e., positrons)
• C) blueshift of light because of the motion of its source
• D) relativistic increase in mass of an object when it is moving very rapidly

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