Which of the following in Fig. 4.2 do not represent Bohr’s model of an atom correctly?

According to Bohr’s model of an atom, orbits or shells of an atom are represented by K,L, M,N….. or the numbers 1,2,3, 4… respectively. The maximum number of electron in K shell is equal to 2n² where n is the orbit number. Hence, first orbit or K-shell will be = 2 × 12 = 2 electrons . Second orbit or L-shell will be = 2 × 22 = 8 electrons.