GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 047

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 047

461). Einstein got the Nobel Prize for
A). relativity
B). photo - electric effect
C). polarisation
D). radio activity

Answer: photo - electric effect


   
462). Asia's biggest astronomical telescope is at
A). Kavanur
B). Kodaikanal
C). Bangalore
D). New Delhi

Answer: Kavanur


   
463). An example of semi - conductor is
A). German silver
B). Germanium
C). Phosphorus
D). Arsenic

Answer: Germanium


   
464). Unit of charge is
A). coulomb
B). faraday
C). newton
D). volt

Answer: coulomb


   
465). Persistence of vision is the principle behind
A). camera
B). spectroscope
C). cinema
D). periscope

Answer: cinema



466). The normal boiling point of a liquid is the temperature at which
A). the vapour pressure of the liquid is zero
B). the vapour pressure of the liquid is standard pressure
C). the density of the liquid is unity
D). the vapour pressure of the liquid is equal to the atmospheric pressure

Answer: the vapour pressure of the liquid is equal to the atmospheric pressure


   
467). The shining particles seen in the path of beam from a projector in cinema hall is due to
A). shining particles emanating from projector
B). scattering of light by dust particles in the path of the light
C). Brownian movement of the dusty
D). electrical properties of dust particles

Answer: scattering of light by dust particles in the path of the light


   
468). "Decibel" is a unit of
A). sound intensity
B). light
C). heat
D). electricity

Answer: sound intensity


   
469). The weight of a body is
A). the same everywhere on the surface of the earth
B). maximum at the poles
C). maximum at the equator
D). more on the hills than in the plains

Answer: maximum at the poles

   
470). Ball pen works on the principle of
A). Viscosity
B). Boyle's law
C). Gravitational force
D). Capillarity and surface tension

Answer: Capillarity and surface tension