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Q.

The dimensional formula for impulse is:


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a

ML T −2  

b

ML T −1  

c

M L 2 T −1  

d

M 2 L T −1   

answer is B.

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Detailed Solution

Concept: The representation of a physical quantity in terms of symbols representing basic units is known as its dimensional formula. It is surrounded by brackets. The basic units are represented by the letters Mass, Length, Time, and Current A thermometer K molars of the material bright intensity J
The force's impulse is the total amount of force it exerts over time. Mathematically, J=F.dt can be written.
Impulse=force×time= ML1T-2×T1= MLT-1
Therefore, Question Imagewill be the dimension of impulse.
Hence, the correct option is 2.
 
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