MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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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: B. 28 m/s
Explanation:
Wave speed v=fλ.
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Correct Answer: C. 2.4 A
Explanation:
Ohm’s law: I=V/R.
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Correct Answer: D. 202.5 J
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Correct Answer: A. 72 m
Explanation:
Distance = speed × time.
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Correct Answer: D. 60 m
Explanation:
Distance = speed × time.
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Correct Answer: D. 8 m/s
Explanation:
Wave speed v=fλ.
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Correct Answer: A. 3.66667 A
Explanation:
Ohm’s law: I=V/R.
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Correct Answer: C. 2.73333 °C