1.

The number of modes of vibration per unit volume between 10,000 A° & 10,020 A° is

A. 37.7 × 1014 vib/m3
B. 25.14 vib/m3
C. 37.7 × 1015 vib/m3
D. 37.7 × 108 vib/m3
Answer» D. 37.7 × 108 vib/m3


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