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Random Physics - Modern Physics Practice
20 randomly selected questions from Modern Physics topics
This set includes 2 comprehension question(s)
Each comprehension question will display its passage above the question
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Question 1
modern-physics > semiconductor-electronics
Assertion (A): A hole is an apparent free particle with effective positive electronic charge.
Reason (R): A hole is not necessarily a vacancy left behind by an electron in the valence band.
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