XII Physics Atomic Nucleus Online test Mdcat-2024

Physics XII Atomic Nucleus Online test

Instructions for Chapter Atomic Nucleus Online Test Mdcat-2024:

    • Most Important: Please wait for a few seconds after clicking the see results/ test submit button. Don’t double-click or refresh the page.
    • Open in Chrome browser (recommended)
    • Don’t refresh the page during the test
    • This  free online test will remain open for the whole mdcat session.
    • Your score will be shown on the screen after you submit the test
    • You can attempt the test anytime anywhere
    • Test is According to PMDC MDCAT Syllabus and Sindh Textbooks
    • Join our WhatsApp Group : Click here
    • For Any Information Contact us at +923441663347

    Test Details:

      • Subject: Physics
      • Class: 2nd year or 12
      • Chapter name: Atomic Nucleus
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 50
      • Time Allowed: 50 Minutes
      • Price : Free
      0%
      45

      Created on By 99aa5633491da71752e906844cd41aa5medicoengineer.com

      XII Physics Atomic Nucleus Online Test Mdcat-2024



      Please Note: If You think the question is wrong or mistyped, the Question Key is wrong or out of syllabus, Feel free to comment or Contact with our team, our team will verify the question. For Contact details Please Visit the Contact Us page or email us at Contact@medicoengineer.com .

      If you have any suggestion about our free test series you are also welcome to contact with us , we will appreciate you.

      Best Of luck MDCAT Aspirants.

      1 / 50

      1. There is no change in A and Z of any radioactive element by the emission of:

      2 / 50

      2. ⁹⁰X³⁸ decays to ⁹⁰Y³⁹ by:

      3 / 50

      3. The half-life of is 5 days, if we start with 50,000 atoms of this isotopes, the number of atoms left over after 10 days is:

      4 / 50

      4. What is the respective number of a and ẞ particles emitted in the following radioactive decay ⁹⁰X²⁰⁰ to ⁸⁰Y¹⁶⁸:

      5 / 50

      5. The decay constant of radium is 4.28 x 10⁻⁴ per year. Its half-life will be:

      6 / 50

      6. A Radioactive Isotope ⁹²U²³⁸ decays consecutively ⁹²U²³⁴ to the particles emitted are:

      7 / 50

      7. In an alpha-decay:

      8 / 50

      8. Gamma radiation is emitted due to:

      9 / 50

      9. A sample contains 16 gm of radioactive material, the half-life of which is two days. After 10 days, the amount of radioactive material left in the sample is:

      10 / 50

      10. The percentage of the original of radioactive material left after five half-lives is approximately:

      11 / 50

      11. In a radioactive sample, the number of nuclei decreases from 8000 to 1000 in 9 days, find the half-life:

      12 / 50

      12. At time (t=0) radioactive substance has 100 nuclei, in t =1 radioactive nuclei left are 90, find the nuclei left undecayed after t=2:

      13 / 50

      13. In a radioactive sample there are 10¹⁵ atoms and the activity is 6 x 10¹¹ Bq, find out the decay constant:

      14 / 50

      14. Activity is:

      15 / 50

      15. The half-life of radon is 3.8 days, the fourth of radon decay in:

      16 / 50

      16. The main source of solar energy is:

      17 / 50

      17. Radioactivity is:

      18 / 50

      18. In the disintegration series ²³⁸U⁹² --(alpha)--> X --(beta-)--> A (Y) Z, values of Z and A respectively:

      19 / 50

      19. When a radioactive nucleus emits a β-particle, the mass number of the atom?

      20 / 50

      20. The decay constant A of a radioactive sample:

      21 / 50

      21. Half-life of a radioactive active substance depends on:

      22 / 50

      22. The half-life of radium is about 1600 years. If 100 g radium existing now, 25 g will remain un-decayed after:

      23 / 50

      23. The half-life of radium is 1600 years. In how many years shall the earth lose all its radium due to radioactive decay?

      24 / 50

      24. The half-life of a certain element is 7 days at S.T.P. If the temperature is doubled and pressure is reduced to half then half-life of the same element will be:

      25 / 50

      25. After Alpha-emission from ²²⁶Ra⁸⁸, the daughter nucleus will be:

      26 / 50

      26. After B-emission from neutron, which particle is found?

      27 / 50

      27. When a radioactive nucleus emits an a-particle, the N/Z ratio?

      28 / 50

      28. If the half-life of a substance is 3.5 days and its quantity is 16.0 g. Then the quantity left after 14 days will be:

      29 / 50

      29. The SI unit(s) of activity is (are):

      30 / 50

      30. If the decay constant of an element is smaller then:

      31 / 50

      31. The sample of radioactive element decayed after 5-half-lives:

      32 / 50

      32. Beta rays emitted by a radioactive material are:

      33 / 50

      33. The SI unit of decay constant is:

      34 / 50

      34. After 4 hours, 1/16th of atoms of a radioactive sample remains undecayed, the half-life of the radioactive element is:

      35 / 50

      35. The rate of decay of radioactive substance with time?

      36 / 50

      36. Which one of the following radiations possesses maximum penetrating power?

      37 / 50

      37. After α-decay, the parent and daughter nuclei are called:

      38 / 50

      38. The emission of β-particle results in:

      39 / 50

      39. The number of atoms decayed in four half-lives are:

      40 / 50

      40. What is the half-life of a radioactive substance?

      41 / 50

      41. Which type of radioactive decay involves the emission of an electron from the nucleus?

      42 / 50

      42. In the process of nuclear fission, which of the following occurs:

      43 / 50

      43. Particle which can be added to atomic nucleus without changing their chemical properties:

      44 / 50

      44. Charge on alpha particles is how many times to protons:

      45 / 50

      45. ff

      46 / 50

      46. The Equation ZXAz+1YA+ -1e0+ῡ represents :

      47 / 50

      47. What is the graph b/w activity and time?

      Screenshot 2024 06 06 004159

      48 / 50

      48.  

      ZXA z+1YAz-1KA-4 z-1KA-4

      Radioactive radiations are emitted in the sequence

      49 / 50

      49. An Alpha-emission is always accompanied by:

      50 / 50

      50. Isotope of uranium used as nuclear reactor fuel is:

      Scroll to Top