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प्रश्न
In the figure given alongside
(a) Name the shells denoted by A,B, and C. Which shell has least energy
(b) Name X and state the charge on it
(c) The above sketch is of …………. Model of an atom
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उत्तर
(a) A is for K shell or I shell.
B is for L shell or II shell.
C is for M shell or III shell.
Shell K has the minimum amount of energy.
(b) X is a nucleus; it is positively charged.
(c) The above sketch is of Bohr model of an atom.
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संबंधित प्रश्न
Compare all the proposed models of an atom given in this chapter.
Name the central part of an atom where protons and neutrons are held together.
What are the various letters used by Bohr to represent electron shells in an atom?
Give the postulates of Bohr's atomic model
State true or false. If false, correct the statement.
Smaller the size of the orbit, lower is the energy of the orbit.
An atom with 3 protons and 4 neutrons will have a valency of
Which of the following in Fig. 4.2 do not represent Bohr’s model of an atom correctly?
Niels Bohr was Born on ______.
Bohr's model of atoms ______.
A particle of mass ‘m’ and charge ‘−2q’ is moving around a very heavy particle having charge ‘q’. If Bohr’s model is to be used then the orbital velocity of mass ‘m’ when it is nearest to the heavy particle is (in magnitude) (ε0 = permittivity of free space, h = Planck’s constant) ______.
