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The other met...

Question

The other method which may separate $^{235} U$ and $^{238} U$ is

A

centrifuge

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B

mass spectrometer

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C

particle accelerator

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D

filteration

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Solution

The correct option is C mass spectrometer
In the applied magnetic field, particles having same velocity but different mass will move in different radii.

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Similar questions

Q. In a sample of uranium the ratio of

^{238} U

^{235} U

by weight is 93 to 7%. The half-life of

^{238} U

^{235} U

4.5 \times 10^{9}

7.13 \times 10^{8}

year respectively. The contribution of radioactivity by both separately after a time interval of

10^{8}

year if 100 g sample is taken is :

Q. The isotopes

^{238} U

^{235} U

occur in nature in the weight ration

140 : 1

. It is assumed that initially they were found in equal weight. If half life

(t_{1 / 2})

^{238} U = 4.5 \times 10^{9}

t_{1 / 2}

235 U = 5 \times 10^{5}

year respectively then the age of earth is

(l o g 7 = 0.846; l o g 2 = 0.3)

Q. The three isotopes of

_{86} Rn

formed as an intermediate during decay of

^{232} Th,^{238} U

^{235} U

series does not contain the isotope :

Q. Which of the following may be separated by ordinary physical methods?

Q. Calculate the excitation energy of the compound nuclei produced when

^{235} U

^{238} U

absorb thermal neutrons. Given:

M (^{235} U) = 235.0439 a m u

M (n) = 1.0087 a m u

M (^{238} U) = 238.0508 a m u

M (^{236} U) = 236.0456 a m u

M (^{239} U) = 239.0543 a m u

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