Physics And Measurement Question 90

Question: The Martians use force $ (F) $ , acceleration $ (A) $ and time $ (T) $ as their fundamental physical quantities. The dimensions of length on Martians system are

[DCE 1993]

Options:

A) $ FT^{2} $

B) $ {{F}^{-1}}T^{2} $

C) $ {{F}^{-1}}A^{2}{{T}^{-1}} $

D) $ AT^{2} $

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Answer:

Correct Answer: D

Solution:

Acceleration = $ \frac{distance}{tim{{e}^{2}}} $

therefore $ A=L{{T}^{-2}}\Rightarrow L=AT^{2} $



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