GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 095

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 095

941). An electric motor is a device which
A). converts electrical energy into mechanical energy
B). converts mechanical energy into electrical energy
C). converts mechanical energy into potential energy
D). None of these

Answer: converts electrical energy into mechanical energy


   
942). Tesla is the unit of
A). magnetic intensity
B). magnetic moment
C). magnetic induction
D). None of these

Answer: magnetic induction


   
943). The electro magnetic radiation travel with velocity of
A). 3×10^0
B). 3×10^8
C). 330 m/s
D). none of these

Answer: 3×10^8



   
944). Filament
A). Iron
B). Tungsten
C). Copper
D). none of these

Answer: Tungsten


   
945). The device that is used to determine the depth of the sea is
A). Radar
B). Sonar
C). Fathometer
D). Hydrometer

Answer: Fathometer



946). Absolute zero
A). 0°C
B). O°F
C). 372°C
D). -273°C

Answer: -273°C


   
947). The discovery of electricity is attributed to
A). Michael Faraday
B). W. Gilbert
C). A.M. Ampere
D). G.S. Ohm

Answer: Michael Faraday


   
948). If the surface water lake is just going to freeze, what will be the temperature of water at the bottom?
A). 0°C
B). More than 4°C
C). 4°C
D). loss than 4°C

Answer: 4°C


   
949). The flying of birds is a consequence of Newton's
A). First law
B). Second law
C). Third-law
D). both Second and Third laws

Answer: Third-law


   
950). Who discovered that the earth moves round the sun?
A). Newton
B). Galileo
C). Aristotle
D). Copernicus

Answer: Copernicus