The dimensional formula for Planck's constant (h) is - Vidyadip

MCQ

The dimensional formula for Planck's constant $(h)$ is

A
$M L^{-2} T^{-3}$
B
$M L^2 T^{-2}$
✓
$M L^2 T^{-1}$
D
$M L^{-2} T^{-2}$

✓

Answer

Correct option: C.

$M L^2 T^{-1}$

(c) $E=h v \Rightarrow\left[M L^2 T^{-2}\right]=[h]\left[T^{-1}\right] \Rightarrow[h]=\left[M L^2 T^{-1}\right]$

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