GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 140

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 140

1391). The distance travelled by light in a year is
A). 1.578×10^15 m.
B). 9.467×10^15 m.
C). 3.156×10^15 m.
D). 9.467×10^−15 m.

Answer: 9.467×10^15 m.



   
1392). Which is a defect of the eye?
A). Coma
B). Echo
C). Resonance
D). Osmosis

Answer: Coma


   
1393). Match the following List - I with List - II and choose the correct answer from the codes given below:
List - I                                     List - ll
a) Recoil velocity                 1) Galaxy
b) Remote sensing              2) Gun
c) Source of energy             3) Sun
d) Milky way                       4) Satellites

Codes:
a b c d
A). 4 3 2 1
B). 2 4 3 1
C). 3 2 1 4
D). 1 3 2 4

Answer: 2 4 3 1


   
1394). Lift was invented
A). E.G. Otis
B). J.J. Thomson
C). Issac Newton
D). Marie Curie

Answer: E.G. Otis


   
1395). Choose the incorrect statement.
A). No work is done if the displacement is perpendicular to the direction of the applied force
B). Frictional force is non conservative
C). All the central forces are non conservative
D). If the angle between the force and displacement vectors is obtuse, the work done is negative

Answer: All the central forces are non conservative



1396). Electric potential is expressed
A). Joules / Coulomb
B). Watt/ Coulomb
C). Volt / Metre
D). Coulomb / Sec

Answer: Joules / Coulomb


   
1397). Which of the following physical quantities have the same dimension?
1) Work
2) Power
3) Force
4) Moment of a couple
A). (3) and (4)
B). (2)and (4)
C). (1)and (4)
D). (2) and (3)

Answer: (1)and (4)


   
1398). Match the following:
List - I                                      List - ll
a) Impulse                           1) Amp-sec.
b) Latent heat                      2) Ohm-m.
c) Charge                             3) J/kg.
d) Specific resistance            4) MLT^−1

Codes:
a b c d
A). 3 1 2 4
B). 2 1 2 4
C). 4 3 2 1
D). 4 3 1 2

Answer: 4 3 1 2


   
1399). The vector quantity among the following is:
A). Pressure
B). Energy
C). Speed
D). Impulse

Answer: Impulse


   
1400). Match the following:
List - I                                                      List - ll
a) Equation of continuity              1) Surface tension
b) Bernoulli's theorem                 2) Viscosity
c) Capillarity                               3) Conservation of energy
d) Stroke's law                           4) Conservation of mass

Codes:
a b c d
A). 3 1 4 2
B). 4 3 1 2
C). 4 3 2 1
D). 4 1 3 2

Answer: 4 3 1 2