GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 139

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 139

1381). Ampere hour is a unit of
A). Power
B). Energy
C). Charge
D). Current

Answer: Charge

   
1382). Match the following words in column I with the figures in column ll and select the correct answer from the codes below:
Column - l           Column ll
a) Resistor           1)

b) Capacitor         2)

c) Diode              3)

d) Inductance      4)

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

Answer: 1 4 2 3


   
1383). For an adlabatlc process, which is the wrong statement?
A). PV = Constant
B). PV^T=Constant
C). TV^r−1=Constant
D). P^r−1/T^r=Constant

Answer: PV = Constant


   
1384). The meson theory of nuclear forces was proposed by
A). Fermi
B). Yukawa
C). Lyman
D). Rutherford

Answer: Yukawa


   
1385). Kilowatt-hour is the unit of
A). Time
B). Momentum
C). Electric power
D). Mass

Answer: Electric power



1386). Which mirror is used as a rear view mirror in a vehicle?
A). Concave mirror
B). Convex mirror
C). Plane mirror
D). Liquid mirror

Answer: Convex mirror


   
1387). A proton is .............. times heavier than an electron.
A). 1000
B). 183.6
C). 931
D). 1836

Answer: 1836


   
1388). The capacitors having capacitance of 10 uF, 5 uF and 4 uF are connected in parallel. The effective capacitance is:
A). 19 uF
B). 10 uF
C). 5 uF
D). 1 uF

Answer: 19 uF


   
1389). The relationship between free energy change and e.m.f of a cell is:
A). △G=nFE
B). △H=−nFE
C). △E=nFG
D). △F=nEG

Answer: △G=nFE



   
1390). Short-circuit occurs when the resistance in the external circuit is
A). Infinity
B). Maximum
C). Minimum
D). Zero

Answer: Zero