Hydrogen-atom, If hydrogen atom is in an energy level represented by n=4,ho...

If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e  [ (n 2- n 1 +1)

High initial permeability in fe-ni alloys, Illustrate how a high initial pe...

Illustrate how a high initial permeability in Fe-Ni alloys helps to reduce the area under hysteresis loop. The most favourably oriented fully-grown domain tends to rotate so a

For ns orbital, For ns  orbital, the magnetic quantum number has value: ...

For ns  orbital, the magnetic quantum number has value: (1) 2             (2) 4        (3) - 1               (4) 0 Ans:0

Metallic bonding,

Physical chemistry, Application of catalyst in industries

Application of catalyst in industries

Which of the following electronic configurations, Which of the following el...

Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2                           (2)  1s 2 , 2s 2 , 2p 6     (3) 3d 10 4s 2 4p 2

Calculate the energy required to compress carbon dioxide, Calculate the ene...

Calculate the energy required to compress carbon dioxide from 1 bar to 50 bar (final volume is 50 ml, 298 K, ideal gas).

Physical properties of oils and fats, Physical Properties of oils and Fats ...

Physical Properties of oils and Fats (a) Fats are solids, while oils are liquids. (b) They both are soluble in ether, chloroform and benzene although insoluble in water.

Anomalous behaviour, Anomalous behavior of Fe

Anomalous behavior of Fe

Molecular formula, Molecular Formula Molecular formula of a substanc...

Molecular Formula Molecular formula of a substance provides the actual number of atoms that present in one molecule of the substance. Molecular formula = n * Empirical fo