Atomic Structure MCQ Question with Answer

Atomic Structure MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 15
The velocity of a photon is

dependent on its wavelength

dependent on its source

equal to cube of its amplitude

independent of its wavelength

Question No : 16
The number of unpaired electrons in fluorine atoms is/are

Question No : 17
Among the following ions, which are has the highest paramagnetism?

[C r (H_{2} O)_{6}]^{+ 3}

[F e (H_{2} O)_{6}]^{+ 2}

[C u (H_{2} O)_{6}]^{+ 2}

[Z n (H_{2} O)_{6}]^{+ 2}

Question No : 18
In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

Balmer

Paschen

Pfund

None of these

Question No : 19
When the electron is excited from K level to M level we get

γ

- rays

cathode rays

continuous spectra

absorption spectra

Question No : 20
Isotopes have different

arrangement of electrons

no. of P and e'

no. of neutrons

no. of electrons

Question No : 21
Davisson and Germer gave an experimental evidence for

wave nature of electron

particle nature of electron

particle nature of light

wave nature of light

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