Einstein first derived the mass-energy equation in:
A1905
B1915
C1925
D1895
Answer & Solution
Correct answer: A. 1905
1. Mass lost in fission becomes energy.
2. Einstein derived it in 1905.
3. One atomic mass unit equals about 931 MeV.
_Source: syllabus Science, Chapter 14, Sources of Energy._
Keep practising Science & Technology
Browse all Science & Technology questions for UPSC CSE, or explore more Science topics.