Radioactive materials can be identified by measuring their_______________?

Related Mcqs:

1. For chain reaction to build up the size of the radioactive target should be______________?

   A. Greater than the critical size
   B. Less than the critical size
   C. Equal to the critical size
   D. All of above can build up a change reaction

2. Radioactive decay obeys which one of the following law ?

   A. N=Noe-λt
   B. N=Noeλt
   C. N=Noe-λt/2
   D. No=N(1+eλt)

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

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

   Submitted by: Mansoor Ahmed Suhag

4. While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________________?

   A. a most sensitive galvanometer is used
   B. a steady voltage cell is used
   C. the balance point is close to the middle of the wire
   D. a high resistance box is used in one of its gap

5. Ohm is a unit of measuring _________?

   A. Resistance
   B. Voltage
   C. Current
   D. None of these

   Submitted by: Nayab Idrees

6. Tesla is the unit for measuring:

   A. Magnetic intensity
   B. Magnetic moment
   C. Magnetic induction
   D. None of the above

   Submitted by: Rizwan Ayub Saadi

7. Which one of the following materials is useful for making bulb filaments ?

   A. constantan
   B. nichrome
   C. copper
   D. tungsten

8. Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?

   A. Semi conductor
   B. Super conductors
   C. Insulators
   D. Conductor

9. Materials that undergo plastic deformation before breaking are called __________________?

   A. Brittle
   B. Ductile
   C. Amorphous
   D. Polymers

10. The bulk properties of materials such as their mode of fracture can be related to their____________________?

    A. Polymerization
    B. Cleavage
    C. Microstructure
    D. Dislocation