A. Z > X > Y

B. X > Y > Z

C. Z > Y > X

D. Y > Z > X

An electron is moving in Bohr\'s fourth orbit. Its de-Broglie wave length is X. What is the circumference of the fourth orbit

Which of the following pair of transition metal ions, have the same calculated values of magnetic moment

The wavelength of a spectral line emitted by hydrogen atom in the Lyman series is (16/15)hr cm .What is the value of n<sub>2</sub> (R= Rydberg Constant)

The maximum number of sub-levels, orbitals and electrons in N shell of an atom are respectively<br>

What is the correct order of spin only magnetic moment (in BM) of Mn<sup>2+</sup>, Cr<sup>2+</sup> and V<sup>2+</sup> ?