GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 071
701). The material which is used to make permanent magnets is
A). soft iron
B). steel
C). brass
D). bronze
Answer: steel
702). When fast moving electrons are stopped suddenly by a metal target
A). alpha rays are produced
B). beta rays are produced
C). gamma rays are produced
D). X - rays are produced
Answer: X - rays are produced
703). Liquid metal
A). mercury
B). saline
C). lead
D). zinc
Answer: mercury
704). Wright Brothers invented
A). Train
B). Dynamite
C). Aeroplane
D). Radio
Answer: Aeroplane
705). The period of seconds pendulum is
A). 0.5 second
B). 1.0 second
C). 2.0 seconds
D). 1.0 minute
Answer: 2.0 seconds
706). The excess pressure applied at a point inside a liquid at rest is distributed equally in all directions. This principle is known as
A). Boyel's law
B). Charles law
C). Avogadro's law
D). Pascal's law
Answer: Pascal's law
707). Consider the statements :
I. If work is to be done, a force must be exerted on the body.
A). soft iron
B). steel
C). brass
D). bronze
Answer: steel
702). When fast moving electrons are stopped suddenly by a metal target
A). alpha rays are produced
B). beta rays are produced
C). gamma rays are produced
D). X - rays are produced
Answer: X - rays are produced
703). Liquid metal
A). mercury
B). saline
C). lead
D). zinc
Answer: mercury
704). Wright Brothers invented
A). Train
B). Dynamite
C). Aeroplane
D). Radio
Answer: Aeroplane
705). The period of seconds pendulum is
A). 0.5 second
B). 1.0 second
C). 2.0 seconds
D). 1.0 minute
Answer: 2.0 seconds
706). The excess pressure applied at a point inside a liquid at rest is distributed equally in all directions. This principle is known as
A). Boyel's law
B). Charles law
C). Avogadro's law
D). Pascal's law
Answer: Pascal's law
707). Consider the statements :
I. If work is to be done, a force must be exerted on the body.
II. The
force must produce motion or displacement.
III. The force may or may not
displace the body
IV. Work done is more when the force is given
perpendicularly to the direction of motion of the body. Of the
statements :
A). I alone is correct
B). I and II are correct
C). I, II and III are correct
D). All are Correct
Answer: I and II are correct
708). Epidiascope is an instrument
A). for projecting film on a screen
B). used to measure the depth of an ocean
C). used to measure the specific gravity of a liquid
D). used to measure the velocity of sound in gases
Answer: for projecting film on a screen
709). The sky appears to be blue because of
A). reflection on light
B). refraction on light
C). scattering of light
D). total internal reflection of light
Answer: scattering of light
710). A lunar eclipse occurs when
A). the moon comes between the sun and the earth
B). the earth comes between the sun and the moon
C). the sun comes between the earth and the moon
D). the sun, the moon and the earth are not in the same line
Answer: the earth comes between the sun and the moon
A). I alone is correct
B). I and II are correct
C). I, II and III are correct
D). All are Correct
Answer: I and II are correct
708). Epidiascope is an instrument
A). for projecting film on a screen
B). used to measure the depth of an ocean
C). used to measure the specific gravity of a liquid
D). used to measure the velocity of sound in gases
Answer: for projecting film on a screen
709). The sky appears to be blue because of
A). reflection on light
B). refraction on light
C). scattering of light
D). total internal reflection of light
Answer: scattering of light
710). A lunar eclipse occurs when
A). the moon comes between the sun and the earth
B). the earth comes between the sun and the moon
C). the sun comes between the earth and the moon
D). the sun, the moon and the earth are not in the same line
Answer: the earth comes between the sun and the moon
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