Question

The value of Planck's constant is

(a) 6.6 x 10^-32 g m² sec

(b) 6.6 x 10^-34 kg m² sec^-1

(c) 6.6 x 10^-33 kg m sec^-1

 (d) 6.6 x 10^-34 g m² sec

Answer 1

Correct option is (b) 6.6 x 10^-34 kg m² sec^-1

Planck's constant is a physical constant which is denoted by 'h'. It was given by Max planck. It value is 6.6 x 10^-34 kg m² sec^-1.