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JAMB Physics 1978 Question 21

Question 21

Change of State and Vapours

The following are some units I. N s II. N m III. N m−2 IV. J °K−1 V. J kg−1. What are the units of latent heat?

  1. A.I
  2. B.II
  3. C.III
  4. D.IV
  5. E.V
Show the answer and explanation

Answer: E (V)

Explanation

Specific latent heat is heat energy per unit mass, so its unit is joules per kilogram, J kg−1.