What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ?

Related Mcqs:

1. Radioactivity was discovered by __________?

   A. Kelvin
   B. Thomson
   C. Rutherford
   D. Bacquerel

2. Elements which emit natural radioactivity are known as __________ ?

   A. Radio elements
   B. Active elements
   C. Radioactive elements
   D. Nuclear elements

   Submitted by: Rashid Mehmood

3. Natural Radioactivity was discovered by Becquerel in ____________?

   A. 1766
   B. 1896 
   C. 1935
   D. 2001

   Submitted by: Farooque ahmed Mallah

4. For the generation of biogas, the materials commonly used are__________?

   A. Animal wastes
   B. Forest residues
   C. Aquatic plants
   D. None of these

   Submitted by: Yamna khan

5. A camera uses a __________ to form an image.

   A. convex lens
   B. concave lens
   C. condenser lens
   D. none of these

6. Liver uses which vitamin for creating new Red Blood cells?

   A. B12
   B. B6
   C. A
   D. K

   Submitted by: Mansoor Ahmed Suhag

7. A ‘breath test’ used by traffic police to check drunken driving uses ____?

   A. Turmeric on filter paper
   B. Silica gel coated with silver nitrate
   C. potassium permanganate-sulphuric acid
   D. Potassium dichromatic-sulphuric acid

   Submitted by: Rashid Mehmood

8. Materials for rain-proof coats and tents owe their water proof properties to________?

   A. Surface tension
   B. Viscosity
   C. Specific gravity
   D. Elasticity

9. Sound travels_______ in solid materials then liquid?

   A. Constant
   B. Slowest
   C. Fastest
   D. None of these

   Submitted by: Ghulam Murtaza

10. Substance whose atoms can be split are known as __________ materials.

    A. Fusionable
    B. Fissionable
    C. Combustible
    D. None of these

    Submitted by: Rashid Mehmood