CBSE Physics Nuclear Physics Test 2 Online Question Answer Practice
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# CBSE Physics Nuclear Physics Test 2 Online

 Test Name Atomic and Nuclear Physics Test Subject CBSE Physics Test Type MCQs Total Question 25 Total Marks 50 Total Time 20 Minutes Test Help For CBSE Physics. CBSE Board Exams. Entrance Exams. Admissions Test. Jobs Test. General Knowledge. All Grades Exams.

Central Board for Secondary Education (CBSE) is arrangements syllabus classes subjects their official results of all basis of Indian examinations. Learning Science subjects include in foundation of student from the start of study. We provide Physics chapter Atomic and Nuclear Physics test for improve your knowledge on multiple choice exams as you can take online easily.

## CBSE

1. The volume occupied by an atom is greater than the volume of the nucleus by factor of about ?

Question 1 of 25

2. Mp denotes teh mass of a proton and mn that of a neutron. A given nucleus of binding energy BE, contains Z protons and N neutrons. The mass m(N,Z) of the nucleus is given by ?

Question 2 of 25

3. 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 λ, then ?

Question 3 of 25

4. Two radioactive materials X1 and X2 have decay constants 5λ and λ respectively. If initially they ave the same number of nuclei. then the ratio of the number of nuclei of X1 to that of X2 will be 1/e after a time ?

Question 4 of 25

5. Solar energy is mainly caused due to ?

Question 5 of 25

6. A nuclear reaction given by

zXAz +1 YA + -1e° + V- represents ?

Question 6 of 25

7. A nucleus AzX has mass represented by m (A, Z). If mp and mn denote the mass of proton and neutron respectively and BE the binding energy (in MeV), then ?

Question 7 of 25

8. The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass unit) The binding energy of 2He4 is (mass of helium nucleus = 4.0015 u) ?

Question 8 of 25

9. The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an ?

Question 9 of 25

10. If the nucleus 2713 Al has a nuclear radius of about 3.6 fm, then 12552 te would have its radius approximately as ?

Question 10 of 25

11. Two radioactive substances A and B have decay constants 5λ and λ respectively. At t = 0 they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be [1/e]2 After a time interval ?

Question 11 of 25

12. The binding energy of deuteron is 2.2 MeV and that of 42H is 28 MeV. If two deuteron are fused to form one 42He then the energy released is ?

Question 12 of 25

13. In the reaction 21H + 31H42He + 10n, if the binding energies of 21H, 31H and 42He are respectively α, b and c (in MeV), then the energy (in MeV) released in this reaction is ?

Question 13 of 25

14. In radioactive decay process, the negatively charged emitted β-particles are ?

Question 14 of 25

15. A sample of radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the sample after two mean lives is ?

Question 15 of 25

16. When a deuterium is bombarded on 8O16 nucleus, an α-particle is emitted, then the product nucleus is ?

Question 16 of 25

17. The radius of germanium (Ge) nuclide  is measured to be twice the radius of 94Be. The number of nucleons in Ge are ?

Question 17 of 25

18. If in a nuclear fusion process, the masses of the fusing nuclei be m1 and m2 and the mass of the resultant nucleus be m3, then ?

Question 18 of 25

19. In any fission process the ratio mass of fission products/mass of parent nucleus is ?

Question 19 of 25

20. The mass number of a nucleus is ?

Question 20 of 25

21. The half-life of radium is about 1600 yr. Of 100 g of radium existing now, 25 g will remain unchanged after ?

Question 21 of 25

22. In the nuclear decay given below

AzX → z+1AY → A-4z-1B* → A - 4 z - 1 B,

the particles emitted in the sequence are ?

Question 22 of 25

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

Question 23 of 25

24. Which of the following are suitable for the fusion process ?

Question 24 of 25

25. The nuclei of which one of the following pain of nuclei are isotones ?

Question 25 of 25

 Test By Topics Atomic and Nuclear Physics