Which is more powerful hydrogen or atomic bomb?

A Hydrogen bomb is way more powerful than a atomic bomb. Hydrogen bombs can get up to 50 megatons of TNT which is more than 5,000 times more powerful than a single atomic bomb. While an atom bomb gets it's energy from fission-or splitting of an atom a hydrogen bomb uses the fusion of atom.
A.

Which countries have hydrogen bomb?

Five nuclear-weapon states under the NPT
  • United States.
  • Russian Federation (formerly part of the Soviet Union)
  • United Kingdom.
  • France.
  • China.
  • India.
  • Pakistan.
  • North Korea.
  • Do hydrogen bombs give off radiation?

    The bomb itself (unexploded) will emit minor amount of radiation from the uranium or plutonium trigger. Fusing hydrogen (or deuterium or tritium) doesn't produce radioactive fallout, but fissioning uranium does. So a higher yield from fission will produce more fallout, which will produce more radioactivity.
  • How did Pakistan get nukes?

    Pakistan thus became the seventh country in the world to successfully develop and test nuclear weapons. Although, according to a letter sent by A.Q. Khan to General Zia, the capability to detonate a nuclear bomb using highly enriched uranium as fissile material produced at KRL had been achieved by KRL in 1984.
  • Which country tested hydrogen bomb?

    On January 5, 2015, North Korean TV news anchors announced that they had successfully tested a "miniaturized atomic bomb", about 5 miles from the Punggye-ri nuclear site where a test was conducted in 2013. On January 6, 2016, North Korea announced that it conducted a successful test of a hydrogen bomb.

Updated: 25th September 2018

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