SATHEE: Physics And Measurement Question 248

Physics And Measurement Question 248

Question: If the dimensions of a physical quantity are given by $M^{a} L^{b} T^{c}$ , then the physical quantity will be

Options:

A) Velocity if $a = 1, b = 0, c = - 1$

B) Acceleration if $a = 1, b = 1, c = - 2$

C) Force if $a = 0, b = - 1, c = - 2$

D) Pressure if $a = 1, b = - 1, c = - 2$

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Answer:

Correct Answer: D

Solution:

[d] Pressure $= \frac{M L T^{- 2}}{L^{2}} = [M L^{- 1} T^{- 2}]$
$\Rightarrow a = 1, b = - 1, c = - 2$

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Physics And Measurement Question 248

Question: If the dimensions of a physical quantity are given by MaLbTc , then the physical quantity will be

Options:

Answer:

Solution:

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Question: If the dimensions of a physical quantity are given by $M^{a} L^{b} T^{c}$ , then the physical quantity will be