Q.1 An atom has 2 electrons in K-shell, 8 electrons in L-shell and 6 electrons in M-shell. The number of S-electrons present in the element is:
A.6B.4
C.10
D.9
Answer:-6
Q.2 The Boltzmann constant K is equal to:
A. N/R
B. R/N
C. 1/NR
D. NR
Answer:-B
Q.3 Rutherford’s scattering experiment is related to:
A. Neutron
B. Nucleus
C. Proton
D. Electron
Answer:-B
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