1. Bardeen and Shockley are related to the invention of:
[a] Transformer
[b] Tank
[c] Transistor
[d] Vacuum cleaner


2. Father of modern cinema:
[a] David Griffith
[b] Lumier Brothers
[c] Spielberg
[d] Walt Disney


3. The theory of _____ was corrected by Heliocentric theory of Copernicus:
[a] Galileo
[b] Ptolemy
[c] Kepler
[d] Herschel


4. One Acre = ____ Hector
[a] 2.50 
[b] 0.404 
[c] 0.25 
[d] 0.825


5. Unit of resistance:
[a] Mho 
[b] Ohm 
[c] Hertz 
[d] Dyne


6. Amount of water in the atmosphere is known as:
[a] Density
[b] Gravity
[c] Humidity
[d] Humus


7. What is known as the king of inventions?
[a] Steam engine
[b] Car
[c] Atom Bomb
[d] Nuclear fission


8. What is the voltage of electricity produced in power stations:
[a] 11KV 
[b] 110KV 
[c] 230 V
[d] 110 V


9. Element used by India for Pokran explosion:
[a] Thorium
[b] Uranium
[c] Plutonium
[d] Polonium


10.Solar energy is received by the earth through:
[a] Radiation
[b] Conduction
[c] Convection 
[d] Refraction


11. The force keeping the planets in a regular orbit is:
[a] Electrostatic
[b] Magnetic
[c] Gravitational
[d] Nuclear


12. If a conductor is touched by hand, the charge would leak to:
[a] Body of man
[b] Only to the hand
[c] Earth 
[d] the charge will not leak


13. Which of the following rays has the highest penetrating power?
[a] Gamma rays
[b] Beta rays
[c] Alpha rays
[d] X-ray


14. USA launched ‘Chandra’ in memory of:
[a] J.C.Bose
[b] Bankim Chandra Chatterjee
[c] Hem Chandra Das
[d] Dr.S.Chandrasekhar


15. In a refrigerator, cooling is produced by:
[a] the ice which deposits on the freezer
[b] the evaporation of a volatile liquid
[c] the sudden expansion of a compressed gas
[d] None of the above