GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 091

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 091

901). Our earth while it revolves round the sun, moves in one hour, a distance of
A). 1 lakh km
B). 10,000 km
C). 1,000 km
D). 1000 miles

Answer: 1 lakh km


   
902). The full shape of a rainbow is
A). arc of a circle
B). circle
C). ellipse
D). parabola

Answer: parabola


   
903). When light enters a lens (glass) there is a change in
A). wave length
B). frequency
C). velocity
D). both A and C

Answer: both A and C


   
904). Atom bomb works the principle of
A). Nuclear fission
B). Nuclear fusion
C). Newton's law
D). Faraday's law

Answer: Nuclear fission


   
905). Hydrogen bomb involves the principle of
A). Nuclear fission
B). Nuclear fusion
C). Newton's law
D). Coulomb law

Answer: Nuclear fusion



906). The oil in the wick of an oil lamp rises up due to
A). pressure difference
B). capillary action
C). low viscosity
D). gravitational force

Answer: capillary action


   
907). Name the lightest particle
A). Newton
B). Electrons
C). Proton
D). Radon

Answer: Electrons


   
908). Which of the following substances has the highest specific heat?
A). Iron
B). Copper
C). Mercury
D). Water

Answer: Water


   
909). The surface tension of a liquid with increase of temperature
A). increases
B). decreases
C). remains constant
D). none of these

Answer: decreases


   
910). A 100 watt bulb will consume one unit electrical energy in
A). 1 hour
B). 10 hours
C). one day
D). 60 hours

Answer: 10 hours