The hydrogen bomb and the uranium bomb are based, respectively on

  1. A. nuclear fusion and fission
  2. B. fission and thermonuclear fusion
  3. C. geothermal fission and fusion
  4. D. geothermal fusion and fission

Correct Answer: A. nuclear fusion and fission

Explanation

A hydrogen bomb derives its massive explosive energy from nuclear fusion, whereas a uranium bomb (atomic bomb) works on the principle of nuclear fission.

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