Assertion : Radioactivity of $${{10}^{8}}$$ undecayed radioactive nuclei of half-life of 50 days is equal to that of $$1.2\times {{10}^{8}}$$ number of undecayed nuclei of some other material with half-life of 60 days Reason : Radioactivity is proportional to half-life.

Question

Assertion    :       Radioactivity of $${{10}^{8}}$$ undecayed radioactive nuclei of half-life of 50 days is equal to that of $$1.2\times {{10}^{8}}$$ number of undecayed nuclei of some other material with half-life of 60 days   Reason        :       Radioactivity is proportional to half-life.

TuteeHUB · Accepted Answer

If the assertion and reason both are false.

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If both assertion and reason are true and the reason is the correct explanation of the assertion.

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If both assertion and reason are true but reason is not the correct explanation of the assertion.

TuteeHUB · Answer

If assertion is true but reason is false.

TuteeHUB · Answer

If assertion is false but reason is true.

1.	Assertion : Radioactivity of \[{{10}^{8}}\] undecayed radioactive nuclei of half-life of 50 days is equal to that of \[1.2\times {{10}^{8}}\] number of undecayed nuclei of some other material with half-life of 60 days Reason : Radioactivity is proportional to half-life.
A.	If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.	If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.	If assertion is true but reason is false.
D.	If the assertion and reason both are false.
E.	If assertion is false but reason is true.
Answer» D. If the assertion and reason both are false.

Assertion : Radioactivity of \[{{10}^{8}}\] undecayed radioactive nuclei of half-life of 50 days is equal to that of \[1.2\times {{10}^{8}}\] number of undecayed nuclei of some other material with half-life of 60 days Reason : Radioactivity is proportional to half-life.

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