Chemistry-
General
Easy
Question
According to Bohr’s theory the angular momentum of electron in 5th orbit is:
The correct answer is:
Related Questions to study
Chemistry-
In a multielectron atom which of the following orbitals described by three quantum numbers will have same energy in the absence of magnetic and electric fields ?
a) n=1 l=0, m=0
b) n=2, l=0 m=0
c) n=2 l=1 m=1
d) n=3 l=2 m=1
e) n=3 l=2 m=0
In a multielectron atom which of the following orbitals described by three quantum numbers will have same energy in the absence of magnetic and electric fields ?
a) n=1 l=0, m=0
b) n=2, l=0 m=0
c) n=2 l=1 m=1
d) n=3 l=2 m=1
e) n=3 l=2 m=0
Chemistry-General
Chemistry-
How many sets of four quantum numbers are possible for electrons present in He-2 anion?
How many sets of four quantum numbers are possible for electrons present in He-2 anion?
Chemistry-General
Chemistry-
A transition metal ‘X’ has configuration [Ar] 3d4 in its+3 oxidation state.Its atomic number is....
A transition metal ‘X’ has configuration [Ar] 3d4 in its+3 oxidation state.Its atomic number is....
Chemistry-General
Chemistry-
A cricket ball of 0.5 kg is moving with a velocity of 100m/s. The wavelength associated with its motion is:
A cricket ball of 0.5 kg is moving with a velocity of 100m/s. The wavelength associated with its motion is:
Chemistry-General
Chemistry-
The velocities of two particles A and B are 0.05 and 0.02 m/s respectively. The mass of B is five times the mass of A. The ratio of their de Broglie wave lengths is.....
The velocities of two particles A and B are 0.05 and 0.02 m/s respectively. The mass of B is five times the mass of A. The ratio of their de Broglie wave lengths is.....
Chemistry-General
Chemistry-
According to de Broglie concept, the circumference of each electron must be equal to.......
According to de Broglie concept, the circumference of each electron must be equal to.......
Chemistry-General
Chemistry-
The maximum number of electrons in an atom which can have (n+l) = 4 is:
The maximum number of electrons in an atom which can have (n+l) = 4 is:
Chemistry-General
Chemistry-
If Pauli’s exclusion principle is not known the electronic arrangement of lithium atom would be:
If Pauli’s exclusion principle is not known the electronic arrangement of lithium atom would be:
Chemistry-General
Chemistry-
The following illustrates impossibility of measurement of position and velocity of an electron simultaneously.
The following illustrates impossibility of measurement of position and velocity of an electron simultaneously.
Chemistry-General
Chemistry-
. Energy of an electron in an atom...
. Energy of an electron in an atom...
Chemistry-General
Chemistry-
Energy of an electron in Bohr’s nth orbit is.......
Energy of an electron in Bohr’s nth orbit is.......
Chemistry-General
Chemistry-
The wavelength of limiting line of Pfund series is:
The wavelength of limiting line of Pfund series is:
Chemistry-General
Chemistry-
If 
are threshold wavelength and wavelength of incident light, the velocity of photo electrons ejected will be......
If are threshold wavelength and wavelength of incident light, the velocity of photo electrons ejected will be......
Chemistry-General
Chemistry-
The frequency of spectral line obtained when electron in n=3 of hydrogen atom drops to ground state is?
The frequency of spectral line obtained when electron in n=3 of hydrogen atom drops to ground state is?
Chemistry-General
Chemistry-
The number of spectral lines formed during transition from n=5 to ground state is calculated by the equation:
The number of spectral lines formed during transition from n=5 to ground state is calculated by the equation:
Chemistry-General
