Β  Β  Β  Be ready for Free Whole XII general test scheduled on 04 june 2025. Note: It is free and Everyone can participate, Test Link will be shared on Facebook page and WhatsApp Channel Β  Β  βœ–

MDCAT XII Physics Atomic Physics Online Test-2

XII Physics Atomic Physics Online test 2
Advertisements

Instructions for MDCAT XII Atomic Physics online test Online Test-2:

      • Most Important: Please wait 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
      • Join our WhatsApp Group: Click here
      • For Any Information, contact us via our Facebook Page
      • Advertisements

      Test Details:

      • Subject: Physics
      • Class: 2nd year / XIIΒ 
      • Chapter Name: Atomic PhysicsΒ 
      • Test: MDCAT 2025
      • Book: Sindh Textbook
      • Total No. Of MCQS:Β  50 MCQSΒ 
      • Time Allowed: 50 Minutes
      • Price: Free
      0%
      94

      Created on By medicoengineer.com

      MDCAT XII Physics Atomic Physics Online Test-2

      Advertisements


      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 UsΒ 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. Which of the following is correct regarding the energy level of an electron in an atom?

      2 / 50

      2. Electrons present in an atom have:

      3 / 50

      3. An electron in a hydrogen atom jumps from the second excited state to the ground state. What is the frequency of the emitted radiation?

      4 / 50

      4. In which transition is radiation with more energy absorbed?

      5 / 50

      5. Elements can be identified by their:

      6 / 50

      6. If the energy of a radiation is 6.63 Γ— 10⁻¹⁰ J, what will be its frequency?

      7 / 50

      7. Photons are deflected in:

      8 / 50

      8. Which of the following is the correct series in the laser principle?

      9 / 50

      9. A line spectrum formed is a:

      10 / 50

      10. In which transition is radiation with the greatest wavelength released?

      11 / 50

      11. Emission spectra are classified into:

      12 / 50

      12. What is/are the limitation(s) of Bohr's model?

      13 / 50

      13. In inner shell transitions of X-rays, the K-beta series is given when the electron jumps from:

      14 / 50

      14. Molecules under higher pressure give:

      15 / 50

      15. What is the kinetic energy of an electron when its total energy is -10 MeV?

      16 / 50

      16. Which of the following is not a property of a photon?

      17 / 50

      17. If the frequency of a radiation is doubled, its velocity will:

      18 / 50

      18. The uncertainty principle is applied to:

      19 / 50

      19. Continuous spectrum can be emitted by:

      20 / 50

      20. What is the uncertainty in position, if uncertainty in momentum is zero?

      21 / 50

      21. K-series is formed in inner shell transitions of X-rays when:

      22 / 50

      22. Choose the correct statement regarding the hydrogen atom:

      23 / 50

      23. What is a spectral line?

      24 / 50

      24. A hydrogen atom consists of:

      25 / 50

      25. Which one is correct regarding the hydrogen atom?

      26 / 50

      26. When a metal is illuminated with light of frequency 1 Γ— 10¹⁡ Hz, whose work function is 3.63 Γ— 10⁻¹⁹ J, what will be the maximum kinetic energy of the photoelectrons?

      27 / 50

      27. The Neil Bohr model gives quantitative determination of frequency emitted during:

      28 / 50

      28. The centripetal force on an electron revolving around the nucleus is provided by:

      29 / 50

      29. What is the wavelength of radiation whose energy is 6.63 Γ— 10⁸ J?

      30 / 50

      30. What is the kinetic energy of an electron if potential energy is equal to 5 eV?

      31 / 50

      31. Radius of an orbit is:

      32 / 50

      32. How much energy is required to excite an electron from ground state to infinity level?

      33 / 50

      33. X-rays are more powerful electromagnetic radiations than all other except:

      34 / 50

      34. Which of the following has the lowest wavelength?

      35 / 50

      35. What is the wavelength range of X-rays?

      36 / 50

      36. Which quantum number(s) are used to determine the energy of an orbital?

      37 / 50

      37. LASER stands for:

      38 / 50

      38. What is the key factor to produce laser light?

      39 / 50

      39. Which of the following is not a property of laser light?

      40 / 50

      40. In spontaneous emission, which factor is not suitable for laser light production?

      41 / 50

      41. Monochromatic light is light which has:

      42 / 50

      42. Energy of the second excited state of a hydrogen atom is:

      43 / 50

      43. Laser lights are used in:

      44 / 50

      44. X-rays are deflected by:

      45 / 50

      45. If an electron jumps from the 3rd to the 2nd orbit, how much energy is released?

      46 / 50

      46. Excitation energy is the energy:

      47 / 50

      47. Ionization potentials of an electron are ----- and excitation potentials are -----

      48 / 50

      48. Excitation energy of the 5th orbit of a hydrogen atom is:

      49 / 50

      49. The value of stopping potential will be zero when frequency of incident radiation is ------ to the threshold frequency:

      50 / 50

      50. What will be the threshold frequency of a photoelectric material if the work function of that material is 6.63 eV?

      Your score is

      0%

      Leaderboard
      RankNameScore (%)
      1 Alen 100
      2 Nazia Ali 98
      3 Ahmed Raza 96
      4 Nazia Ali 92
      4 Future Dr 92
      6 Nimrata 90
      7 Mazhar Ali 88
      8 Ali 86
      9 doctor 82
      9 AJEET GUL 82
      11 Danish 80
      11 Anesh 80
      11 Mustaqeem 80
      11 Najaf 80
      15 Moody 78
      15 Gulab 78
      15 Parshant kumar 78
      18 Shhhh 76
      19 M Mairaj 74
      19 Sahar 74
      19 Ahmed raza 74
      22 Pooran Dev Rathi 72
      22 A Kabeer 72
      24 AD 70
      24 Ab jabbar 70
      26 Abdul Majeed 68
      26 Dr Cheeku 68
      28 Karan 66
      28 alina 66
      28 Molecules 66
      31 Zoya 64
      31 Vikash 64
      31 Farooq 64
      34 Raees Tanveer bhangwar 62
      34 Nazia 62
      34 Jasmine 62
      37 Angel 60
      38 Vanshika Kumari 57
      38 VK 57
      38 Sonia 57
      41 Ibrar 56
      41 Fatima 56
      43 Kelash 54
      43 Shahid Ali 54
      43 Fg 54
      43 Dr 54
      47 Karandogra 52
      48 Khushal 50
      48 Tanu 50
      48 Unknown 50
      Scroll to Top