According to Quark theory, there are _________ elementary particles.

Related Mcqs:

1. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

   A. Visible B. Transparent C. Invisible D. opaque E. None of these...

2. Atom is made up of____________different kinds of subatomic particles:

   A. Three B. Two C. Four D. None...

3. The alpha particles are compact clusters of______________?

   A. Electron and Proton B. Two Protons and two Neutrons C. Three protons and three Neutrons D. None...

4. What are the three subatomic particles of an atom?

   A. Protons,Neutrons & Electrons B. Protons,Nucleus & Electrons C. Protons,Nucleus & Elements. D. Elements,Nucleus & Protons...

5. _____________ are positively (+) charged particles?

   A. Neutrons B. Electrons C. Protons D. None of These...

6. ___________are negatively (-) charged particles of an atom?

   A. Protons B. Neutrons C. Electrons D. None of These...

7. Fine organic or inorganic particles suspended in air is called _______________?

   A. particulate pollutant B. gaseous pollutant C. aerosol D. none of these Submitted by: Mansoor Ul Haque...

8. Who said that light is made of corpuscles/particles?

   A. Maxwell B. Einstein B. Newton D. Huygein Submitted by: Munwar Ali Sohu...

9. The subatomic particles arriving from outer space having high energy are called?

   A. Protons B. Electrons C. Cosmic rays D. None of the above Submitted by: Malik Asghar Hussain...

10. The solar wind is a stream of charged particles mostly?

    A. protons and electrons; flows out from the sun B. electrons; flows out from the sun C. protons; flows out from the sun D. protons and electrons; revolves around the sun Submitted by: Muhammad Abdullah...