GENERAL KNOWLEDGE | QUIZ | PHYSICS | 3 | QUESTIONS BASED ON PHYSICS | WHAT IS THE MAIN COMPONENT OF BIOGAS AND NATURAL GAS? | THROUGH WHICH ONE AMONG THE FOLLOWING MATERIALS DOES SOUND TRAVEL SLOWEST? | WHICH ONE OF THE FOLLOWING IS PRINTED ON A COMMONLY USED FLUORESCENT TUBE LIGHT?

DIRECTIONS : Questions based on Physics.

11.     What is the main component of biogas and natural gas?
      A.  Ethane
      B.  Methane
      C.  Propane
      D.  Butane
 Ans: B.

12.     Who of the following recognized that large quantity of energy is released as a results of the fusion of hydrogen nuclei to form deuterium?
      A. Enrico Fermi
      B. Glenn Seaborg
      C. Hans Bethe
      D. Werner Heisenberg
  Ans: A.

13.     The phenomenon of total internal reflection is observed in which one of the following?
      A.  Glowing tube light
      B.  Lightpassingthroughlens
      C.  Sparkling diamond
      D.  Twinkling star.
  Ans: A.

14.     Through which one among the following materials does sound travel slowest?
      A.  Air
      B.  Glass
      C.  Water
      D.  Wood
  Ans: D.

15.     Which one of the following is printed on a commonly used fluorescent tube light?
      A.  220 K
      B.  273 K
      C.  65000 K
      D.  9000 K
 Ans: C.