What element has a hygrogen-like specturm whose lines have wavelength four times shorter than those of atomic hydeogen?

What element has a H like spectrum whose lines have wavelength four times shorter than those of atomic hydrogen?

Which among the following has a hydrogen-like spectrum and whose lines have wavelengths four times shorter that those of atomic hydrogen?

Which among the following has a hydrogen-like spectrum and whose lines have wavelengths four times shorter that those of atomic hydrogen?

Which element has a hydrogen like spectrum whose lines have wavelength one fourth of atomic hydrogen ?

The first line of the lyman series in a hydrogen spectrum has a wavelength of 1210 Å. The corresponding line of a hydrogen like atom of Z=11 is equal to

The first line of the lyman series in a hydrogen spectrum has a wavelength of 1210 Å. The corresponding line of a hydrogen like atom of Z=11 is equal to

The first line of the lyman series in a hydrogen spectrum has a wavelength of 1210 Å. The corresponding line of a hydrogen like atom of Z=11 is equal to

When a beam of monochromatic light is passed through benzene , the spectrum of scattered radiations contains lines whose wavelengths (and frequencies ) are longer or shorter than that of the incident light . This phenomenon is known as

Which element has K_(alpha) x-ray line whose wavelength is 0.180 nm?