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Grade 12th passAIPMT

I couldn't solve Q-18
The answer's option dd
How is it done!?
When two physical quantities are separated by the operation of division, will their dimensional formula be same??

Question image for I couldn't solve Q-18 The answer's option dd How
Profile image of Esther Ann John
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
7 Years ago
Dear student
As we know
 
y = a cos (wt) = a cos theta
 
hence theta does not have unit in length or some fundamental units
 
hence t/p should be cancelled out unit wise.
 
or we can say that unit of t = unit of p
 

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