The wavelengths involved in the spectrum of deuterium \(_{ 1 }^{ 2 }{ H }\) are slightly different from that of hydrogen spectrum because
A. sizes of the two nuclei are different
B. masses of the two nuclei are different
C. attraction between the electron and the nucleus is different in the two cases
D. nuclear forces are different in the two cases
Answer:B
The wavelengths involved in the spectrum of deuterium \(_{ 1 }^{ 2 }{ H }\) are slightly different from that of hydrogen spectrum because
A. sizes of the two nuclei are different B. masses of the two nuclei are different C. attraction between the electron and the nucleus is different in the two cases D. nuclear forces are different in the two cases