Physics And Measurement Question 47

Question: Dimensional formula for latent heat is

[MNR 1987; CPMT 1978, 86; IIT 1983, 89; RPET 2002]

Options:

A) $ M^{0}L^{2}{{T}^{-2}} $

B) $ ML{{T}^{-2}} $

C) $ ML^{2}{{T}^{-2}} $

D) $ ML^{2}{{T}^{-1}} $

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Answer:

Correct Answer: A

Solution:

$ Q=mL\Rightarrow L=\frac{Q}{m} $ (Heat is a form of energy) = $ \frac{ML^{2}{{T}^{-2}}}{M}=[M^{0}L^{2}{{T}^{-2}}] $



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