In a Bohr's model of atom when an electron jumps from n=1 to n=3 how much energy will be emitted or absorbed
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a
2.15×10−11erg
b
0.1911×10−10 erg
c
2.389×10−12 erg
d
0.239×10−10 erg
answer is B.
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Detailed Solution
According to Bohr's model ΔE=E1−E3=2.179×10−11−2.179×10119=89×2.179×10−11=1.91×10−11=0.191×10−10ergSince electron is going from n=1 to n=3hence energy is absorbed.