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  4. The physical quantities not having same dimensions are

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Q. The physical quantities not having same dimensions are

AIEEEAIEEE 2003Physical World, Units and Measurements

Solution:

Dimensions of momentum $= kg\, m/sec = [MLT^{−2}]$
Dimensions of Planck’s constant = joule sec $= [ML^2T^{−1}]$
$∴$ Dimensions of momentum $≠$ dimensions of Planck’s constant.