If an electron has spin quantum number of +1/2 and a magnetic quantum number
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1, it cannot be represented…
7 years ago
Structure of Atom
Which one of the following explains light both as stream of particle and as wave
Which one of the following explains light both as stream of particle and as wave motion? Options (a) Diffraction (b)…
7 years ago
In hydrogen spectrum, the different line of Lyman series are present in
In hydrogen spectrum, the different line of Lyman series are present in Options (a) UV field (b) IR field (c)…
7 years ago
Which of the following is never true for cathode rays?
Which of the following is never true for cathode rays? Options (a) They possess kinetic energy (b) They are electromagnetic…
7 years ago
The two electrons in K-subshell will differ in
The two electrons in K-subshell will differ in Options (a) principal quantum number (b) azimuthal quantum number (c) magnetic quantum…
7 years ago
In the photo-electron emission,the energy of the emitted electron is
In the photo-electron emission,the energy of the emitted electron is Options (a) greater than the incident photon (b) same as…
7 years ago
If electron has spin quantum number +1/2 and magnetic quantum number –1,it cannot
If electron has spin quantum number +1/2 and magnetic quantum number -1, it cannot be present in Options (a) d-orbital…
7 years ago
If r is the radius of the first orbit, the radius of nth-orbit of H-atom is given
If r is the radius of the first orbit, the radius of nth-orbit of H-atom is given by Options (a)…
7 years ago
What is the packet of energy called?
What is the packet of energy called? Options (a) Electron (b) Photon (c) Positron (d) Proton Correct Answer: photonExplanation:According to…
7 years ago
In a given atom no two electrons can have the same values for all
In a given atom no two electrons can have the same values for all the four quantum numbers.This is called…
7 years ago