MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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Correct Answer: C. 121.5 J
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Correct Answer: B. 60 m
Explanation:
Distance = speed × time.
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Correct Answer: D. 30 m/s
Explanation:
Wave speed v=fλ.
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Correct Answer: A. 1.57143 A
Explanation:
Ohm’s law: I=V/R.
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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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Correct Answer: B. The anode
Explanation:
Oxidation occurs at the anode.
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Correct Answer: A. 1×10⁻2 mol/L
Explanation:
[H⁺]=10^(−pH).
