Which of the following is a positively charged particle emitted by a radioactive element?

Related Mcqs:

1. _____________ are positively (+) charged particles?

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

2. Which one of the following is not a radioactive element ?

   A. Cadmium
   B. Thorium
   C. Radium
   D. Uranium

   Submitted by: Mansoor Ahmed Suhag

3. The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?

   A. 4 days
   B. 12 days
   C. 16 days
   D. 8 days
   E. None of these

4. Nuclear radiation is emitted by those elements whose:

   A. molecules are stable
   B. molecules are unstable
   C. nuclei are stable
   D. nuclei are unstable

   Submitted by: Mansoor Ul Haque

5. The brightest colour emitted by the sun is:

   A. Violet
   B. Yellow-Green
   C. Green- Blue
   D. Red

   Submitted by: Sami Khan

6. Radioactive isotope of Uranium used in Nuclear Bomb is ?

   A. 92 U 235
   B. 92 U 234
   C. 92 U 233
   D. 92 U 238

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

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

8. In which system of units, gas bills are charged?

   A. SI
   B. CGS
   C. BTU
   D. CNG

   Submitted by: Ashfaque Ali Khoso

9. 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

10. Particle clouds from where stars are formed are known as____________?

    A. Stellar nurseries
    B. Star clouds
    C. Event horizons
    D. Singularities

    Submitted by: Mansoor Ul Haque