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Byju's Answer

Standard XII

Physics

Rutherford's Observations

Which of the ...

Question

Which of the following nuclei shown in the graph is light and stable?

D

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A

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C

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B

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Solution

The correct option is A $D$

For light stable nuclides, the neutron number $(N)$ is equal to the proton number $(Z)$ , so that the ratio $\frac{N}{Z}$ is equal to $1$ .

Therefore, nucleus $D$ is stable.

Hence, option $(D)$ is the correct answer.

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_{19}^{40} K

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and

_{18}^{40} A r

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_{20}^{40} C a

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Which of the following nuclei shown in the graph is light and stable?

The correct option is A D For light stable nuclides, the neutron number (N) is equal to the proton number (Z), so that the ratio NZ is equal to 1. Therefore, nucleus D is stable. Hence, option (D) is the correct answer.

The correct option is A $D$

For light stable nuclides, the neutron number $(N)$ is equal to the proton number $(Z)$ , so that the ratio $\frac{N}{Z}$ is equal to $1$ .

Therefore, nucleus $D$ is stable.

Hence, option $(D)$ is the correct answer.