Ground state energy of the 4th orbit in a H-atom is_____________?

Related Mcqs:

Ratio of the weight of H-atom to that of an electron is approximately______________?

A. 18.336 B. 1836 C. 18360 D. 183.6...

The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

A. Ke2/rn B. Ke2/rn2 C. ÀKe2/rn D. ÀKe2/rn2...

The penetrating power of X-rays depends on their______________?

A. applied voltage B. frequency C. source D. all of the above...

In an electronic transition atom cannot emit______________?

A. γ-rays B. Infra red radiation C. Visible light D. Ultraviolet rays...

In He-Ne laser the lasing action is produced by_______________?

A. Ne only B. He-Ne both C. Electrons of He D. Electrons Ne...