GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 132

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 132

1311). Fuse wire has the property of
a) high resistance and low melting point
b) low resistance and low melting point
c) high resistance and high melting point
d) low resistance and high melting point
A). (a) is correct
B). (b) is correct
C). (c) is correct
D). (d) is correct

Answer: (a) is correct


   
1312). The temperature in celsius scale at which the temperature in Fahrenheit equals 11/5 th its value (in celsius scale) is
A). 0∘C
B). 40∘C
C). 80∘C
D). −40∘C

Answer: 80∘C


   
1313). Mach 9.6', specification about a rocket implies that it
A). produces sound of frequency 9.6 hertz
B). produces sound of intensity 9.6 decibels
C). travels with the speed of 9.6 kilo metre per second
D). travels with the speed 9.6 times the speed of sound

Answer: travels with the speed 9.6 times the speed of sound


   
1314). Which holds oxygen in the atmosphere and not in space?
A). Inter molecular attraction
B). Gravitational pull of the earth
C). Magnetic field of the earth
D). Solar radiations

Answer: Gravitational pull of the earth


   
1315). Choose the incorrect statement:
A). In elastic collision, the relative velocity of the two bodies has the same magnitude before and after the collision
B). The reciprocal of bulk modulus is called compressibility
C). Pressure has the same unit of stress
D). Moment of inertia is independent of the choice of the axis

Answer: Moment of inertia is independent of the choice of the axis



1316). The property of attraction or repulsion between a charged bodies is used in
A). A.C. Generator
B). Electrostatic paint spraying
C). Potentiometer
D). Metre Bridge

Answer: Electrostatic paint spraying


   
1317). The time period of two simple pendulams are in the ratio 2 : 1. The corresponding ratio of their lengths is
A). 4 : 1
B). 1 : 4
C). 1 : 1
D). 1 : 2

Answer: 4 : 1


   
1318). Arrange the Remote Sensing Satellites as per year of launching ......... in ascending order.
I. IRS
II. SPOT
III. TRIOS
IV. LANDSAT
A). I, II, IV, III
B). III, IV, II, I
C). I, II, III, IV
D). IV, III, I, II

Answer: III, IV, II, I


   
1319). A bullet of mass 150 gm. strikes a target at 600 m/s. velocity which is reduced to 150 m/s. The loss of energy is
A). 3000 J
B). 8437 J
C). 18400 J
D). 5400 J

Answer: 8437 J


   
1320). The acceleration due to gravity at the centre of the earth is
A). Equal to zero
B). Less than 9.8 m/s^2
C). Equal to 9.8 m/s^2
D). Greater than 9.8 m/s^2

Answer: Equal to zero