When 40 kV is applied across an X-ray tube, X-ray is obtained with a maximum frequency of 9.7 × 10 18 Hz. Calculate the value of Planck constant from these data.

Question

Philoid · Accepted Answer

Given:

potential applied to the X-ray tube V=40kV

Frequency of the X-ray= 9.7

wavelength of X-ray is given by,

When 40 kV is applied across an X-ray tube, X-ray is obtained with a maximum frequency of 9.7 × 1018 Hz. Calculate the value of Planck constant from these data.

When 40 kV is applied across an X-ray tube, X-ray is obtained with a maximum frequency of 9.7 × 10¹⁸ Hz. Calculate the value of Planck constant from these data.