GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 072

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 072

711). Only one of the following is correctly matched. Which one?
A). Conversion from the solid state to liquid state - freezing
B). Conversion from the liquid state to gaseous state - fusion
C). Conversion from the solid state to gaseous state - sublimation
D). Conversion from the liquid state to solid state - vaporization

Answer: Conversion from the solid state to gaseous state - sublimation


   
712). What is the quantity heat required to raise 2 k.gm. Of copper from 303 k to 353 k? (specific heat capacity of copper = 355J/Kg/k)
A). 3.85
B). 38500
C). 38.5
D). 0.385

Answer: 38500


   
713). In a tape recorder the sound is recorded on the tape as
A). variable magnetic field
B). variable electrical resistance
C). variable sound
D). variable thickness

Answer: variable magnetic field

   
714). Pipe instrument without reed is
A). Harmonium
B). Flute
C). Naathaswaram
D). Violin

Answer: Violin


   
715). Beta (β) particle is
A). positively charged particle
B). chargeless particle
C). negatively charged particle
D). none of the above

Answer: negatively charged particle

 



716). Rate of change of momentum
A). velocity
B). work
C). force
D). speed

Answer: force


   
717). Unit of force in the M.K.S system is
A). Pascal
B). Newton
C). Horse power
D). Watt

Answer: Newton


   
718). One unit of electrical energy consumption is equal to
A). 1000 watt per hour
B). 500 watt per hour
C). 100 watt per hour
D). non of these

Answer: 1000 watt per hour


   
719). At sunrise and at sunset the sky appears red, because
A). red light scatters more
B). red light scatters less
C). red light's intensity is more
D). none of the above

Answer: red light scatters less

   
720). 68∘ C Fahrenheit is equal to
A). 56.1∘ C
B). 68∘ C
C). 20∘ C
D). 100∘ C

Answer: 20∘ C