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Solution


Q.

The energy required to break one bond in DNA is 10-20J. This value in eV is nearly            [2020]
1 6  
2 0.6  
3 0.06   
4 0.006  

Ans.

(3)

Given: energy, E=10-20J

Now, 1 J=11.6×10-19 eV

∴   E=10-201.6×10-19 eV=0.0625 eV≃0.06 eV