Atomic physics questions | form six Physics

The nucleus of iron , with a mass of 56.935 a.m.u emits a -ray radiation of 14.4x10³eV. Calculate its recoil energy.

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UNSOLVED

Given that Rydberg`s constant is approximately 1.1x10⁷m^-1. Calculate the corresponding range of frequency for emitted radiation in the

1. Lyman series.
2. Balmer series.

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UNSOLVED

A radioactive isotope of Thallium , emits -particles with average energy of 1.5MeV. If the half life of the isotope is 135 days and is brought to emit -radiation:

1. Describe a simple test which could confirm the emission of – particles and -radiation?
2. Find the decay constant of the isotope.

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UNSOLVED

Briefly explain why the -particles emmited from a radioactive source differ from the electrons obtained by thermionic emission?.

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UNSOLVED

The mass of a particular radioisotope in a sample is initially 6.4x10^-3kg. After 42 days the isotope was separated from the sample and found to have a mass of 1.0x10^-4kg. Calculate the half-life of the isotope.

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UNSOLVED