AIPMT 2006 | Atoms and Nuclei Question 90 | Physics

AIPMT 2006

MCQ (Single Correct Answer)

-1

Out of Syllabus

In a radioactive material the activity at time t₁ is R₁ and at a later time t₂, it is R₂. If the decay constant of the material is $$\lambda $$, then

R₁ = R₂

R₁ = R₂e^{$$-$$$$\lambda $$(t₁$$-$$t₂)}

R₁ = R₂e^{$$\lambda $$(t₁$$-$$t₂)}

R₁ = R₂(t₂/t₁).

AIPMT 2006

MCQ (Single Correct Answer)

-1

Out of Syllabus

The radius of germanium (Ge) nuclide is measured to be twice the radius of $${}_4^9$$Be. The number of nucleons in Ge are

AIPMT 2005

MCQ (Single Correct Answer)

-1

Fission of nuclei is possible because the binding energy per nucleon in them

increases with mass number at low mass numbers

decreases with mass number at low mass numbers

increases with mass number at high mass numbers

decreases with mass number at high mass numbers.

AIPMT 2005

MCQ (Single Correct Answer)

-1

In any fission process the ratio

mass of fission products

mass of parent nucleus

equal to 1

greater than 1

less than 1

depends on the mass of the parent nucleus.

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