General Science Quiz-3 for SSC CHSL 2016-17

1.Light from the Sun reaches us in nearly
A.2 minutes
B.4 minutes
C.8 minutes
D.16 minutes

2.Stars appears to move from east to west because
A.all stars move from east to west
B.the earth rotates from west to east
C.the earth rotates from east to west
D.the background of the stars moves from west to east

3.Pa(Pascal) is the unit for
A.thrust 
B.pressure
C.frequency 
D.conductivity

4.Sound waves in air are
A.transverse 
B.longitudinal
C.electromagnetic 
D. polarised

5.Materials for rain-proof coats and tents owe their water-proof properties to
A.surface tension
B.viscosity
C.specific gravity
D.elasticity

6.RADAR is used for
A.locating submerged submarines
B.receiving a signals in a radio receiver
C.locating geostationary satellites
D.detecting and locating the position of objects such as aeroplanes

7. The velocity of sound in air (under normal conditions) is–
A.30 m / sec 
B.320 m / sec
C.332 m / sec 
D.3,320 m / sec

8. Radioactive substances can be produces readily in–
A. an electron gun 
B. an atomic pile
C. a transistor 
D.a Wilson cloud chamber

9.When a given amount of air is cooled–
A.the amount of moisture it can hold decreases 
B.its absolute humidity decreases 
C.its relative humidity remains constant  
D.its absolute humidity increases

10. The moon has no atmosphere because–
A. no atmosphere has ever formed there 
B. the rocky surface completely absorbed the gases 
C. due to the low temperature, gases have condensed
D.its gravitational pull is not strong enough to hold an atmosphere 


ANSWER :

1 - (C)
2 - (B)
3 - (B)
4 - (B)
5 - (A)
6 - (D)
7 - (C)
8 - (B)
9 - (A)
10- (D)

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