The wavelength of `K_alpha` and `L_alpha` X-rays of a meterial are 21*3 pm and 141 pm respectively. Find the wavelength of `K_beta` X-ray of the material.

The wavelength of K_alpha and L_alpha X-rays of a material are 21.3 pm and 141 pm respectively. Find the wavelength of K_beta X-ray of the material.

The wavelength of K_alpha and L_alpha X-rays of a material are 21.3 pm and 141 pm respectively. Find the wavelength of K_beta X-ray of the material.

The K_alpha and K_beta X-rays of molybdenum have wavelengths 0*71 A and 0*63 A respectively. Find the wavelength of L_alpha X-ray of molybdenum.

The K_alpha and K_beta X-rays of molybdenum have wavelengths 0*71 A and 0*63 A respectively. Find the wavelength of L_alpha X-ray of molybdenum.

The K_alpha and K_beta X-rays of molybdenum have wavelengths 0*71 A and 0*63 A respectively. Find the wavelength of L_alpha X-ray of molybdenum.

The frquencies of K_alpha, K_beta and L_alpha X-rays of a materail are gamma_1, gamma_2 and gamma_3 respectively. Which of the following relation holds good?

The frquencies of K_alpha, K_beta and L_alpha X-rays of a materail are gamma_1, gamma_2 and gamma_3 respectively. Which of the following relation holds good?

The wavelength of K_(alpha) X-ray line for an element is 0.42Å . Find the wavelength of K_(beta) line emitted by the same element.

The wavelength of K_(alpha) X-ray line for an element is 0.42Å . Find the wavelength of K_(beta) line emitted by the same element.