Theory of Alpha Decay

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Theory of Alpha Decay: Overview

This Topic covers sub-topics such as Range of Alpha Particles, Geiger Nuttal Laws for Alpha Particles, Tunneling of Alpha particles, Potential Energy Function for Alpha decay from Nucleus and, Relation Between Range and Decay Constant of Alpha Particles

Important Questions on Theory of Alpha Decay

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A U238 Preparation of mass 1.0g emits 1.24 × 104 Alpha-particles per second. Find the half-life of this nuclide and the activity of the preparation.

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What is tunnel effect how tunnel effect explain alpha decay?

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Tritium has a half of 12.5 y undergoing beta decay. What fraction of a sample of pure tritium will remain undecayed after 25y.

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What happens to the half-life of a radioactive substance as it decays?

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The rays are given off by a radioactive element from;

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Why are the alpha particles not used in radio therapy?

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Alpha particles _____ penetrate into human body.

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The kinetic energy (in keV) of the alpha particle, when the nucleus Po84210 at rest undergoes alpha decay, is

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The tunnel effect is the name given to the phenomenon that describes the crossing of a quantum mechanical _____ barrier by the particle with some energy. An alpha particle is also known as the nucleus of a helium atom.

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 Explain the tunnel effect.

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The phenomenon explained by tunnel effect is

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Do alpha particles have discrete energies?

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Why is alpha particle have discrete energy?

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What happens to electrons during alpha decay?

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How do you calculate the decay constant?

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What is the relation between mean life and decay constant?

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What is the formula for alpha decay?

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What is alpha decay constant?

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What do Geiger counter detect?

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What units do Geiger counters measure in?