Thursday, May 27, 2021

Atomic Structure MCQ Question Answer For HPTET Medical & Non Medical Exam

Atomic Structure MCQ Question Answer For HPTET Medical & Non Medical Exam

||Atomic Structure MCQ  For HPTET Medical & Non Medical Exam||Atomic Structure  Question Answer For HPTET Medical & Non Medical Exam||

Atomic Structure MCQ Question Answer  (Chemistry)



1 . Charge on fundamental particle neutrino is

(a) 0

(b) +1

(c) -1

(d) None of these


2. The fundamental particle that has least mass is

(a) meson

 (b) Q-particle

c) electron 

(d) neutron


3. Which of the following has highest mass?

 (a) Neutron 

(b) Alpha particle

(c) Electron

 (d) Deuterium


4. Cathode rays contain a stream of

a)n

(b) r

(c) +1"

(d) -1e°


5. Mass of positron is the same to that of

(a) proton 

(b) meson

(c) electron

 (d) neutron


 6. The exchange of particles considered responsible for keeping the nucleons together are

(a) meson 

(b) electron

(C) positron

 (d) neutron


7. Charge on an electron was shown by

(a) J.J. Thomson 

(b) Kirchoff

(c) Ohm

(d) M.Planck


8. Which of the following atoms has a nonspherical outermost orbital.

(a) H

(b) Li

(c) Be

(d) B


9. The number of neutrons present in 39 K 19 are

(a) 28

(b) 39

(c) 20

(d) 19


10. In Lyman series an electron jumps from higher energy level to

(a) K energy level 

(b) M energy level

(c) N energy level

 (d) L energy level


11. The wavelength of an electron

(a) is equal to that of light

(b) remains constant with velocity

(c) decreases with an increasing velocity

(d) increases with an decreasing velocity


12. No two electrons in an atom can have the same values of all four quantum numbers according to

(a) Hund's rules

(6) Flemming rule

C) Pauli's exclusion principle

(d) Bohr theory


13. The charge on an atom of 27  Al 13 is

(a) + 40

(b) + 27

(c) + 14

(d) Zero


 14. Bohr's concept of the orbit in an atom was contradicted by

(a) de Broglie relationship

(b) Uncertainty principle

C) Planck's hypothesis

(d) Hund's rule


15. The velocity of a photon is

(a) dependent on its wavelength

(b) dependent on its source

(C) equal to cube of its amplitude

(d) independent of its wavelength


16. The number of unpaired electrons in fluorine atoms is/are

(a) 4

(6) 2

(c) 1

(d) 0


17. In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

(a) Balmer

 (b) Paschen

(C) Pfund 

(d) None of these


18. When the electron is excited from K level to M level we get

(a) y-rays

(b) cathode rays

(c) continuous spectra

(d) absorption spectra


19. Isotopes have different

(a) arrangement of electrons

(b) no. of P and e

(c) no. of neutrons

(d) no. of electrons

||Atomic Structure MCQ  For HPTET Medical & Non Medical Exam||Atomic Structure  Question Answer For HPTET Medical & Non Medical Exam||




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