The Unit of Planck’s Constant Is

Joule

A.

B.

C.

D.

Joule/sec

Joule/m

Joule*sec

By Team Aakash Byju's | 1st December 2022

?

Detailed Explanation

The correct option is  D. Joule*sec.

Arrow

Planck's constant is a physical constant that relates the energy carried by a photon to its frequency by, E=hv.

Wavelength

Classical theory(5000K)

Infrared

Spectral radiance

As, Planck’s constant h=      

E

V

.

We know that the S.I unit of energy E is Joule.

V is the frequency defined as the number of vibrations completed by a particle in one second.

Hence, h=

h=Joule*sec.

Joule

1

sec