A. 2/λ
B. 2λ
C. 4λ
D. 4/λ
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> ?
The energy of a photon is 3 x 10<sup>-12</sup> ergs.What is its wavelength in nm ?<br>( h = 6.62 x 10 <sup>-27</sup>ergs-s ; c = 3 x 10 <sup>10</sup> cm/s )
Which one of the following sets correctly represent the increase in the paramagnetic property of the ions
Electrons with a kinetic energy of 6.023 x 10<sup>4</sup> J/mol are evolved from a surface of a metal, when it is exposed to radiation of wavelength of 600 nm, The minimum amount of energy required to remove an electron from the metal atom is <br>
The wavelengths of electron waves in two orbits is 3 : 5. The ratio of kinetic energy of electrons will be
How many electrons are present in the M shell of an atom of an clement with atomicnumber 24 (Z = 24) ?
5.85 gms of NaCl (Mol. wt. 58.5) is dissolved in water and the solution made up to 500ml; the molarity of the solution will be