What is the value of Planck's constant

What is the value of Plancks' constant in SI unit?

The value of Planck's constant is

The value of Planck's constant is

The value of Planck's constant is

The value of Planck's constant is

The value of Plancks constant is

The value of planck's constant is

The threshold frequency for a certain metal for photoelectric effect is 1.7x10^(15)Hz . When light of frequency 2.2xx10^(15)Hz is incident on the metal surface, the kinetic energy of the emitted photoelectrons is 3.3xx10^(-19)J . What is the value of the Planck's constant ?