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About 5% of the energy released in a nuclear air burst is in the form of ionizing radiation: neutrons, gamma rays, alpha particles and electrons moving at speeds up to the speed of light. Gamma rays are high-energy electromagnetic radiation; the others are particles that move slower than light.

Do atomic bombs give off radiation?

Atomic bombs differ from conventional bombs in emitting explosive energy on an entirely different order of magnitude and radiation. Of the emitted energy, 5% was initial radiation and 10% was residual radiation. The initial radiation emitted at the moment of detonation inflicted great damage to human bodies.

Are gamma rays used in nuclear bombs?

The gamma rays are therefore specific to the atomic bomb and are completely absent in T.N.T. explosions.

What is radiation left over from a nuclear blast?

Fallout is the radioactive particles that fall to earth as a result of a nuclear explosion. It consists of weapon debris, fission products, and, in the case of a ground burst, radiated soil. Fallout particles vary in size from thousandths of a millimeter to several millimeters.

What are the type of radiation?

There are four major types of radiation: alpha, beta, neutrons, and electromagnetic waves such as gamma rays. They differ in mass, energy and how deeply they penetrate people and objects.

How much radiation is in a atomic bomb?

The energy of a typical A-bomb comprises three components: 35% thermal radiation (heat and light), 50% blast energy (pressure shock wave), and 15% nuclear radiation [6]. Of that latter 15%, 5% is initial radiation (released within 30 s).

What is nuclear radiation?

Nuclear radiation (also called ionising radiation) is energy released as high-speed charged particles or electromagnetic waves. Radiation can come from many sources, both natural and manufactured. All living things are constantly exposed to low doses of radiation from rocks, sunlight and cosmic rays.

How much radiation is in a nuclear bomb?

Seven hours after a nuclear explosion, residual radioactivity will have decreased to about 10 percent of its amount at 1 hour, and after another 48 hours it will have decreased to 1 percent.

How far is radiation from nuclear bomb?

The initial radiation pulse from a 1 KT device could cause 50% mortality from radiation exposure, to individuals, without immediate medical intervention, within an approximate ½ mile (790 m) radius. This radius increases to approximately ¾ mile (1200m) for a 10 KT detonation.

How do you know what type of radiation is emitted?

To determine the type of radiation (alpha, beta or gamma), first determine the background count rate, then the source count rate with no absorber. Next, place a sheet of paper between the source and the monitor. If the counts are significantly reduced, the source emits alpha particles.