Question 1
In the SI system used on the THPT Physics exam, what is the unit of internal energy (nội năng) of a thermodynamic system?
Correct Answer:
Joule (J)
Question 2
According to the first law of thermodynamics as written in the Grade 12 curriculum, ΔU = A + Q, what does A represent when a gas is compressed by an external force?
Correct Answer:
The work done on the gas by the external force, taken as positive
Question 3
A body is at 27 °C. Using the relation T(K) = t(°C) + 273 given on the exam, what is its absolute temperature?
Correct Answer:
300 K
Question 4
The specific heat capacity of water is about 4200 J/(kg·K). How much heat is required to raise the temperature of 2.0 kg of water from 20 °C to 70 °C?
Correct Answer:
420 000 J
Question 5
Specific latent heat of fusion (nhiệt nóng chảy riêng) λ of a substance is defined as the heat needed to:
Correct Answer:
Completely melt 1 kg of the substance at its melting point
Question 1
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About this Exam

Prepare with the THPT Physics Practice Questions - High School Graduation Examination - Physics (Kỳ thi tốt nghiệp THPT - môn Vật lí) Exam practice quiz. This question bank includes 100 questions covering heat, current, energy, ideal, and water. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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THPT Physics Practice Questions - High School Graduation Examination - Physics (Kỳ thi tốt nghiệp THPT - môn Vật lí) Exam

This practice set contains 100 questions from the matching question bank and focuses on heat, current, energy, ideal, and water. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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