In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

Related Mcqs:

1. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

   A. Current
   B. Voltage
   C. Nuclear Radiation
   D. power
   E. None of these

2. Which of the following is used to control rods in nuclear fission?

   A. Graphite
   B. Heavy Water
   C. Cadmium
   D. All of these

   Submitted by: Munwar Ali Sohu

3. When water is filled in a bottle and is allowed to freeze, the bottle breaks because

   A. Water expands on freezing
   B. Bottle contracts at freezing point
   C. temperature outside the bottle is less than that inside the bottle.
   D. None of the above

4. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?

   A. red waves
   B. Infrared waves
   C. Ultrasonic
   D. super sonic
   E. None of these

5. First controlled fission of an atom was carried out in ________ on 1938.

   A. U.S
   B. Germany
   C. Russia
   D. U.K

   Submitted by: Shahbaz Jiskani

6. What has no charge, and is one of the fundamental particles making up an atom’s nucleus?

   A. Electron
   B. Neutron
   C. Proton
   D. All of Above

   Submitted by: Ashfaque Ali Khoso

7. In an atomic nucleus, neutrons and protons are held together by: ___________?

   A. Gravitational forces
   B. Exchange forces
   C. Coulombic forces
   D. Magnetic forces

   Submitted by: Engr Allah Wadhayo

8. The toxicity of which of the following heavy metals leads to Liver cirrhosis?

   A. Copper
   B. Lead
   C. Mercury
   D. Zinc

   Submitted by: Malik Asghar Hussain

9. Heavy mechanical complex use a large amount of water for_________?

   A. Cooling
   B. Freezing
   C. Washing
   D. Mixing

   Submitted by: Rida

10. 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