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1.Units, Dimensions and Measurement
medium
Match List$-I$ with List$-II$
| List$-I$ | List$-II$ |
| $(a)$ $h$ (Planck's constant) | $(i)$ $\left[ M L T ^{-1}\right]$ |
| $(b)$ $E$ (kinetic energy) | $(ii)$ $\left[ M L ^{2} T ^{-1}\right]$ |
| $(c)$ $V$ (electric potential) | $(iii)$ $\left[ M L ^{2} T ^{-2}\right]$ |
| $(d)$ $P$ (linear momentum) | $( iv )\left[ M L ^{2} I ^{-1} T ^{-3}\right]$ |
A$( a ) \rightarrow( iii ),( b ) \rightarrow( iv ),( c ) \rightarrow( ii ),( d ) \rightarrow( i )$
B$(a) \rightarrow( ii ),( b ) \rightarrow( iii ),( c ) \rightarrow( iv ),( d ) \rightarrow( i )$
C$(a)\rightarrow( i ),( b ) \rightarrow( ii ),( c ) \rightarrow( iv ),( d ) \rightarrow( iii )$
D$(a)\rightarrow( iii ),( b ) \rightarrow( ii ),( c ) \rightarrow( iv ),( d ) \rightarrow( i )$
(JEE MAIN-2021)
Solution
By dimensional analysis.
Standard 11
Physics
