Physics And Measurement Question 318
Question: In $ S=a+bt+ct^{2} $ . $ S $ is measured in metres and $ t $ in seconds. The unit of $ c $ is
[MP PMT 1993]
Options:
A) None
B) $ m $
C) $ m{{s}^{-1}} $
D) $ m{{s}^{-2}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ ct^{2} $ must have dimensions of $ L $
$ \Rightarrow $ $ c $ must have dimensions of $ L/T^{2} $ i.e. $ L{{T}^{-2}} $ .
