AIPMT 2006 | Atoms and Nuclei Question 90 | Physics

AIPMT 2006

MCQ (Single Correct Answer)

-1

The binding energy of deuteron is 2.2 MeV and that of $${}_2^4$$He is 28 MeV. If two deuterons are fused to form one $${}_2^4$$He then the energy released is

30.2 MeV

25.8 MeV

23.6 MeV

19.2 MeV

AIPMT 2005

MCQ (Single Correct Answer)

-1

Energy levels A, B and C of a certain atom corresponding to increasing values of energy i.e. E_A < E_B < E_C. If $$\lambda $$₁, $$\lambda $$₂ and $$\lambda $$₃ are wavelengths of radioations corresponding to transitions C to B, B to A and C to A respectively, which of the following relations is correct?

$${\lambda _3} = {\lambda _1} + {\lambda _2}$$

$${\lambda _3} = {{{\lambda _1}{\lambda _2}} \over {{\lambda _1} + {\lambda _2}}}$$

$${\lambda _1} + {\lambda _2} + {\lambda _3} = 0$$

$${\lambda _3}^2 = {\lambda _1}^2 + {\lambda _2}^2$$

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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