If the radius of first Bohr's orbit of H-atom is x, which of the following is the INCORRECT conclusion
(A) The de-Broglie wavelength of electron in the third Bohr orbit of H-atom = 6 π X.
(B) The fourth Bohr's radius of Het ion = 8x.
(C) The de-Broglie wavelength of electron in third Bohr's orbit of Li2+ = 2πx.
(D) The second Bohr's radius of Be2+ = x