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Grade 11IIT JEE Entrance Exam

given that y=a sin (t/p-qx)where t represents time in seconds and x represents distance in meter which of the statement is true and why 1)the unit of t is same as that of q 2)the unit of x is same as that of p 3) the unit of t is samke as that of p

Profile image of Prince
8 Years agoGrade 11
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1 Answer

Profile image of Arun
6 Years ago
y=acos( 
p
t
​ 
 −qx)
As ( 
p
t
​ 
 −qx) is a dimensionless quantity,  
p
t
​ 
  has to be dimensionless.
Hence, dimensions of t is same as that of p.
Unit of t has to be same as that of p,

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