NEET Chemistry · Hard

Thermodynamics: Specific heat MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Specific heatHardQuestion 23079

Question

If 100 g substance with specific heat 0.5 J g1^{-1} K1^{-1} is heated by 20 K, heat absorbed is:

  1. A
    1000 J
    Correct
  2. B
    10 J
  3. C
    50 J
  4. D
    2000 J

Correct answer

1000 J

Explanation

q=msΔT=100×0.5×20q=ms\Delta T=100\times0.5\times20.