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Question 34

How much heat is given out when a piece of iron mass 50g and specific heat capacity 460Jkg-1K-1 cools from 85°c to 25°c?

  • A.1.38 × 106J
  • B.2.53 × 102J
  • C.1.98 × 104J
  • D.1.38 × 103J
  • E.1.27 × 103J
Objective

Question details

Exam body
NDA
Subject
Physics
Year
2019/2020
Question no.
#34
Type
Objective
Previous · Q33The coefficient of linear expansion of aluminium is 23 x 10 -6 K -1 . If the… Next · Q35 Which of the following is not suitable method of reducing loss of heat from a…

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