1.

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                                                [CBSE PMT 1996]

A.                 \[2.15\times {{10}^{-11}}erg\]   
B.                 \[0.1911\times {{10}^{-10}}erg\]
C.                 \[2.389\times {{10}^{-12}}erg\]                
D.                 \[0.239\times {{10}^{-10}}erg\]
Answer» C.                 \[2.389\times {{10}^{-12}}erg\]                


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