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Nucleus: Common Terms

The atomic we...

Question

The atomic weight of uranium isotope, which is equally fissionable is :

A

235

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B

238

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C

234

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D

236

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Solution

The correct option is A $235$
Uranium-235 is an isotope of uranium. It is fissile, i.e., it can sustain a fission chain reaction.

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Similar questions

Q. The isotopes present in naturally occurring uranium are

(i)

U - 235

(i i)

U - 236

(i i i)

U - 238

(i v)

U - 232

Q. The more readily fissionable isotope of uranium has an atomic mass of:

Q. Calculate the energy released by 1g of natural uranium assuming 200 MeV is released in each fission event and that the fissionable isotope ²³⁵U has an abundance of 0.7% by weight in natural uranium.

Q. Name the isotope of Uranium which is easily fissionable.

Q. Uranium has two isotopes of masses

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238

units. If both of them are present in Uranium hexafluoride gas, which have the larger average speed ? If atomic mass of fluorine is

19

units, estimate the percentage difference in speeds at any temperature.
How is the above concept of difference in speeds utilised in the enrichment of uranium needed for nuclear fission ?

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