GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 080

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 080

791). Dry ice is
A). water
B). solid carbon dioxide
C). sodium hydroxide
D). acetic acid

Answer: solid carbon dioxide


   
792). Which of the following can be identified using line spectrum?
A). solids
B). liquids
C). gases
D). none of these

Answer: solids


   
793). Banking of curves on roads is done to provide
A). centripetal force
B). centrifugal force
C). angular acceleration
D). none of these

Answer: centrifugal force


   
794). The ratio of linear stress to linear strain is
A). Rigidity modulus
B). Young's modulus
C). Bulk modulus
D). Hooke's modulus

Answer: Young's modulus


   
795). A force of 1N acting on a body of 1 kg mass produces an acceleration of
A). 1m/s
B). 1m/s^2
C). 1Km/s
D). 1Km/s^2

Answer: 1m/s^2



796). A medium can carry longitudinal wave because of
A). mass
B). density
C). compressibility
D). elasticity

Answer: elasticity


   
797). When a wave goes from one place it transports
A). matter
B). energy
C). mass
D). nothing

Answer: energy


   
798). A hot body will radiate heat most rapidly if its surface is
A). white and polished
B). white and rough
C). black and polished
D). black and rough

Answer: black and rough


   
799). The base of the electric iron is brightly polished mainly
A). to make it smooth and frictionless
B). to make it rust proof
C). to reduce heat lost by radiation
D). none of these

Answer: to reduce heat lost by radiation

   
800). The normal temperature of the human body is
A). 96∘ F
B). 98.4∘ F
C). 98∘ F
D). 96.4∘ F

Answer: 98.4∘ F