MCQ Collection
China MCQs
Practice China questions with answers and explanations.
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Correct Answer: B. Government spending and taxation are key fiscal-policy instruments
Explanation:
Fiscal policy operates through public spending, taxation and budget decisions.
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Correct Answer: D. Monetary policy influences financial conditions through tools such as policy rates and liquidity operations
Explanation:
Central monetary authorities use policy tools to influence liquidity, credit and macroeconomic conditions.
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Correct Answer: D. Public power should be exercised under known legal authority and procedures
Explanation:
Rule-of-law principles constrain authority through lawful powers, procedures and review.
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Correct Answer: C. A valid agreement generally requires legally meaningful consent and compliance with applicable rules
Explanation:
Contractual obligations depend on agreement and the legal requirements governing validity.
Correct Answer: 1.143
Explanation:
Ohm’s law gives I=V/R=8/7=1.143 A.
Correct Answer: 6
Explanation:
Wave speed v=fλ=6×1=6 m/s.
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Correct Answer: A. The total momentum of an isolated system remains constant
Explanation:
In an isolated system, internal forces occur in equal and opposite pairs, so total momentum is constant.
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Correct Answer: A. It is perpendicular to the direction of wave propagation
Explanation:
A transverse wave oscillates perpendicular to the direction in which the wave travels.
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Correct Answer: B. The electric field points in the direction a positive test charge would accelerate
Explanation:
Electric-field direction is defined by the force direction on a positive test charge.
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Correct Answer: A. A convex lens can converge parallel rays to a real focus
Explanation:
A convex lens is converging and brings parallel incident rays toward its principal focus.
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Correct Answer: D. The half-life is the time for the number of undecayed nuclei to fall to half its initial value
Explanation:
Half-life is a characteristic decay time at which the undecayed population becomes one half.
Correct Answer: 36
Explanation:
Newton’s second law gives F=ma=6×6=36 N.