MCQ Collection
eju-science-physics MCQs
Practice eju-science-physics questions with answers and explanations.
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Correct Answer: B. 0.866667 °C
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Correct Answer: A. It remains constant
Explanation:
Total momentum is conserved in an isolated system.
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Correct Answer: C. Its frequency increases
Explanation:
The Doppler effect raises observed frequency for an approaching source.
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