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Arnab
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1604 × 4 - 525 ÷ 5 + 73
1 answer
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A 50 g bullet travelling with an initial velocity of 400 m/s penetrates into a wall with an average force of 4*10^4 N.It goes
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Very nice answer of this question😀😃😄😁😆
4.QR Because log(x) is dimensionless. Here (x)=(Qx+Rt) So [Q][x]=[M^0][L^0][T^0] So [Q]=[L^-1] Then [R]=[T^-1] & [P]=[L] ( Same as dimension of y= displacement) Then the only answer is QR which have different dimension from the other three options.
