The discovery of neutron became very late because _______ ?

Related Mcqs:

1. What sub-class of neutron star is known for its extremely high magnetic field?

   A. Magnetar
   B. Quasar
   C. Magneto
   D. Magnetta

   Submitted by: Mansoor Ul Haque

2. A pulsar is a rapidly spinning neutron star which emits:

   A. A blinding light when it aligns with the planets
   B. Radio waves detectable from Earth
   C. A gravitational pull which attracts high energy dust particles
   D. Enough energy to power itself indefinitely

   Submitted by: Mansoor Ul Haque

3. Free neutron changes into proton with the emission of__________________?

   A. Neutrino
   B. Electron
   C. Both A & B
   D. Meson

4. Max Planck received the noble prize in Physics in 1918 for his discovery of ?

   A. electron
   B. energy quanta
   C. photon
   D. positron

5. The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?

   A. Chemotherapy
   B. Radiation
   C. Surgery
   D. Immunotherapy

   Submitted by: Malik Asghar Hussain

6. ‘Christian Friedrich Schönbein’ discovery is___________?

   A. Ozone
   B. Radium
   C. Cholorine
   D. Neutron

   Submitted by: Asad Ullah Afridi

7. Rutherford bombarded _________________ particles in discovery of nucleus?

   A. Gamma-rays
   B. Alpha-rays
   C. Beta-rays
   D. X-rays

8. Which discovery caused a revision in the periodic law as stated by Mendeleev ?

   A. Location of nucleus by Rutherford
   B. Atomic number by Moseley
   C. X-rays by Roentgen
   D. Natural radioactivity by Henry Bacquerel.

9. Max plank is famous for his discovery of?

   A. Energy quanta
   B. photon
   C. both of these
   D. None of these

   Submitted by: Muhammad Mumtaz Haider

10. Which one of the following results in the discovery of proton.

    A. Cathode rays
    B. Canal rays
    C. X-rays
    D. Alpha rays

    Submitted by: Babar Ali Kunbhar