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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Calculate the energy equivalent of 1 atomic mass unit. - Physics

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Question

Calculate the energy equivalent of 1 atomic mass unit.

Short Note

Solution

Using Einstein’s mass-energy equivalence, the energy equivalent of one atomic mass unit

1u = 1.66 × 10-27 × (3 × 108)2

= 14.94 × 10-11 J ≈ 931 MeV

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Chapter 9: Atomic and Nuclear physics - Evaluation [Page 190]

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Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 9 Atomic and Nuclear physics
Evaluation | Q II. 18. | Page 190
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