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

Related Mcqs:

1. 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 ?

   A. Chemical Reaction
   B. Nuclear reaction
   C. Fission nuclear reaction
   D. Fusion nuclear reaction
   E. None of these

2. A moderator is used in nuclear reactor in order to ?

   A. Accelerate the neutrons
   B. Slow down the speed of the neutrons
   C. Increase the number of elections
   D. Decrease the number of electrons
   E. None of these

3. Which element is used as moderator in nuclear reactor?

   A. Light water
   B. Dense water
   C. Fresh water
   D. Heavy water

   Submitted by: Farjan Ahmed Soomro

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. Geiger-Muller counter is used to detect__________?

   A. Protons
   B. Neutrons
   C. Photons
   D. none

6. Sensory neurons carry message towards ?

   A. Muscle
   B. Muscles and Glands
   C. Sense and Organs
   D. Brain and Spinal Cord 

   Submitted by: Rashid Mehmood

7. What is a Geiger Counter used to measure?

   A. Radioactivity 
   B. Pressure
   C. Water flow
   D. None of these

   Submitted by: Farhan Sikandar Gondal

8. By which hormone High Blood Sugar level can be controlled in stomach?

   A. Glucose
   B. Insulin
   C. Thyroxin
   D. Non-Apinefreen

   Submitted by: Fareed Ahmed Kunbhar

9. 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

10. The electronic device which is used as a switch or amplifier is called ?

    A. Diode
    B. Resistor
    C. Transistor
    D. Transformer

    Submitted by: Ali Mallah