Waec Model Questions Vol1 2017 Physics Question 30

Practice objective / multiple choice question 30 from the 2017 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2017 Physics Objective / Multiple Choice Medium Difficulty
Question 30 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • PHYSICS • objective

A metal rod is heated from 20°C to 80°C. If the rod has a specific heat capacity of 500 J/kg°C and a mass of 2 kg, calculate the amount of heat energy absorbed by the rod. Additionally, if the rod loses 2000 J of heat energy to its surroundings, what will be its final temperature?

Answer Options

A. Final temperature: 76°C; Heat absorbed: 55000 J
B. Final temperature: 80°C; Heat absorbed: 65000 J
C. Final temperature: 75°C; Heat absorbed: 50000 J
Correct Answer D. Final temperature: 78°C; Heat absorbed: 60000 J
Correct Answer
D
Correct Option:
Final temperature: 78°C; Heat absorbed: 60000 J

About This Question

This is Waec Model Questions Vol1 2017 Physics Question 30. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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