Physics And Measurement Question 183

Question: If $ L=2.331cm,\ B=2.1cm $ , then $ L+B= $

[DCE 2003]

Options:

A) 4.431 cm

B) 4.43 cm

C) 4.4 cm

D) 4 cm

Show Answer

Answer:

Correct Answer: C

Solution:

Given, $ L=2.331\ cm $

$ =2.33 $ (correct upto two decimal places) and $ B=2.1\ cm $

$ =2.10\ cm $

$ \therefore \ L+B=2.33+2.10=4.43\ cm $ . $ =4.4cm $ Since minimum significant figure is 2.



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