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day 3 quiz 01

Wednesday 28 February 2018

physics quiz for railway and ssc chsl 


1. Which instrument is used to measure sound under water ?
A.  Hygrometer
B.  Hygroscope
C.  Hypsometer
D.  Hydrophone
 
2.Freely falling body is an example of 
(a) Non-uniform motion.
(b) Uniform motion
(c) Uniformly accelerated motion
(d) (a) and (c) both
 
3.Which relation is shown by this equation
   
(a) position-time relation 
(b) velocity-time relation 
(c) position-velocity relation 
(d) none of the above 
 
4. Which instrument is used to measure pressure of gases ?
A.  Manometer
B.  Machmeter
C.  Magnetometer
D.  Micrometer
 
5. Which instrument is used to measure heat radiation ?
A.  Radar
B.  Salinometer
C.  Refractometer
D.  Radio micrometer
 
6.Friction is independent of 
(a) Nature of two surfaces in contact
(b) Area of contact
(c) Weight of the body
(d) All
 
7. K. Macmillan invented
A.  Bicycle
B.  Barometer
C.  Calculating Machine
D.  Centigrade Scale
 
8. Thomas Alva Edison invented
A.  Cinema
B.  Cine Camera
C.  Computer
D.  Cinematograph
 
9 . Alfred Nobel invented
A.  X ray
B.  Diesel Engine
C.  Dynamite
D.  Dynamo
 
10. David Hughes invented
A.  Machine Gun
B.  Microphone
C.  Microscope
D.  Motorcycle
 
11.Which is used in designing ships and submarines? 
(a) Charle’s law
(b) Archimedes principal
(c) Boyle’s law
(d) None 
 
 
12. Alexander Graham Bell invented
A.  Telephone
B.  Telescope
C.  Television
D.  Tank
 
13.When the pressure on ground is more
(a) when a man is walking
(b) when a man is standing
(c) when a man is laying
(d) none 
 
14.The friction force exerted by fluids is called 
(a) Resistational force 
(b) Drag
(c) Rubbing
(d) None
 
15.Friction is independent of 
(a) Nature of two surfaces in contact
(b) Area of contact
(c) Weight of the body
(d) All