HBSE 11th Class Previous Year Question Paper Physics. We covered all the HBSE 11th Class Previous Year Question Paper Physics MCQs in this post for free so that you can practice well for the exam.
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HBSE 11th Class Previous Year Objective Question Paper Physics for Students
Bohr’s Atomic model assumes
(a) the nucleus is of infinite mass and is at rest.
(b) electrons in a quantized orbit with hot radiate energy.
(c) mass of the electron remains constant.
(d) All of the above
Option d – All of the above
The ionization energy of a hydrogen atom in the ground state is
(a) 13.6 MeV
(b) 13.6 eV
(c) 13.6 J
(d) zero
Option b – 13.6 eV
Energy of an electron in an orbit of an H-atom is
(a) positive
(b) negative
(c) zero
(d) nothing can be said
Option b – negative
In which region of the electromagnetic spectrum does the Lyman series of the hydrogen atom lie?
(a) Visible
(b) Infrared
(c) Ultraviolet
(d) X-ray
Option c – Ultraviolet
The force of attraction between an electron revolving around the nucleus and the nucleus is an … force.
(a) mechanical
(b) electric
(c) magnetic
(d) gravitational
Option b – electric
Which is the most suitable unit for expressing nuclear radius?
(a) Micron
(b) Nanometer
(c) Fermi
(d) Angstrom
Option c – Fermi
An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
(a) N
(b) W
(c) W-N
(d) W + N
Option a – N
Which of the following particles are constituents of the nucleus?
(a) Protons and electrons
(b) Protons and neutrons
(c) Neutrons and electrons
(d) Neutrons and positrons
Option b – Protons and neutrons
We covered all the hbse 11th class previous year question paper physics mcqs above in this post for free so that you can practice well for the exam.
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