GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 040
391). If an input current 3A flows through the circuit shown, what is the value of the current flowing through the 40 resistor?
A). 1.6A
B). 0.8A
C). 0.75A
D). 0.4A
Answer: 0.4A
392). Which of the following nuclei undergo fission when struck by thermal neutrons?
I.U^235
B). 0.8A
C). 0.75A
D). 0.4A
Answer: 0.4A
392). Which of the following nuclei undergo fission when struck by thermal neutrons?
I.U^235
II.U^238
III.Pu^239
Select the correct answer using the given codes:
A). I and II only
B). II and III only
C). I and III only
D). I,II and III
Answer: I and III only
393). Which of the following is the correct statement ?
A fairly uniform magnetic field is produced
A). inside a horse-shoe magnet
B). inside a cylindrical conductor
C). inside a solenoid
D). between two parallel conductors
Answer: inside a solenoid
394). If the linear momentum of a body is increased by five percent, by what percentage shall the kinetic energy increase (approx.) ?
A). 10 percent
B). 20 percent
C). 25 percent
D). 50 percent
Answer: 10 percent
395). What would be the power of an engine which supplies 18 KJ of energy per minute ?
A). 200 W
B). 250 W
C). 300 W
D). 1080 W
Answer: 300 W
396). Which of the following is the correct statement ?
For an open circuit, the value of load
A). would be infinite
B). would be zero
C). depends on the voltage of the source
D). depends on the other components of the circuits
Answer: would be infinite
397). Two spheres of the same metal have radii in the ratio 1 : 2. Their heat capacities are in what ratio ?
A). 1 : 2
B). 1 : 4
C). 2 : 1
D). 1 : 8
Answer: 1 : 8
398). The value of which one of the following quantities remains same in all systems of units ?
A). Acceleration due to gravity
B). Specific gravity
C). Pressure
D). Density
Answer: Specific gravity
399). When an electric bulb breaks, what is the reason for a mild bang ?
A). A chemical reaction between the enclosed gases
B). Compressed gases rush out suddenly
C). The air rushes in to fill the evacuated space
D). None of these
Answer: The air rushes in to fill the evacuated space
400). Which of the following is used to remove astigmatism for a human eye ?
A). Concave lens
B). Convex lens
C). Cylindrical lens
D). Prismatic lens
Answer: Cylindrical lens
III.Pu^239
Select the correct answer using the given codes:
A). I and II only
B). II and III only
C). I and III only
D). I,II and III
Answer: I and III only
393). Which of the following is the correct statement ?
A fairly uniform magnetic field is produced
A). inside a horse-shoe magnet
B). inside a cylindrical conductor
C). inside a solenoid
D). between two parallel conductors
Answer: inside a solenoid
394). If the linear momentum of a body is increased by five percent, by what percentage shall the kinetic energy increase (approx.) ?
A). 10 percent
B). 20 percent
C). 25 percent
D). 50 percent
Answer: 10 percent
395). What would be the power of an engine which supplies 18 KJ of energy per minute ?
A). 200 W
B). 250 W
C). 300 W
D). 1080 W
Answer: 300 W
396). Which of the following is the correct statement ?
For an open circuit, the value of load
A). would be infinite
B). would be zero
C). depends on the voltage of the source
D). depends on the other components of the circuits
Answer: would be infinite
397). Two spheres of the same metal have radii in the ratio 1 : 2. Their heat capacities are in what ratio ?
A). 1 : 2
B). 1 : 4
C). 2 : 1
D). 1 : 8
Answer: 1 : 8
398). The value of which one of the following quantities remains same in all systems of units ?
A). Acceleration due to gravity
B). Specific gravity
C). Pressure
D). Density
Answer: Specific gravity
399). When an electric bulb breaks, what is the reason for a mild bang ?
A). A chemical reaction between the enclosed gases
B). Compressed gases rush out suddenly
C). The air rushes in to fill the evacuated space
D). None of these
Answer: The air rushes in to fill the evacuated space
400). Which of the following is used to remove astigmatism for a human eye ?
A). Concave lens
B). Convex lens
C). Cylindrical lens
D). Prismatic lens
Answer: Cylindrical lens
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