Question

Assertion: The atomic bomb uses the principle of nulcear fission.

Reason: Nuclear fusion reaction requires high temperatures.

• A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  
• B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  
• C. Assertion is true but Reason is false
• D. Assertion is false but Reason is true
• E. Both Assertion and Reason are false

Answer 1

Answer: (B)

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Nuclear weapons whose explosive output is exclusively from fission reactions are commonly referred to as atomic bombs or atom bombs. In fission weapons, a mass of fissile material (enriched uranium or plutonium) is assembled into a supercritical mass—the amount of material needed to start an exponentially growing nuclear chain reaction.