GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 109

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 109

1081). Sound does not travel in
A). gases
B). solids
C). water
D). vaccum

Answer: vaccum


   
1082). Reed instrument with pipe is
A). flute
B). harmonium
C). trumpet
D). nathaswaram

Answer: harmonium


   
1083). A 100 watt, 220 volt lamp takes a current of
A). 2.2 amps
B). 5/11 amps
C). 22000 amps
D). 1.1 amps

Answer: 5/11 amps


   
1084). The material used for magnetic shielding
A). wood
B). soft iron
C). glass
D). paper

Answer: soft iron


   
1085). X-rays do not penerate thorugh
A). glass
B). bone
C). wood
D). skin

Answer: bone



1086). If the mass of an electron is 9.11×10^-28 gm, the number of electron in 1gm is
A). 1.09×10^27
B). 2.56×10^24
C). 2.18×10^27
D). 3.27×10^27

Answer: 1.09×10^27



   
1087). Which one of the following is correctly matched?
A). Moment of a force - watt
B). Work - Joule-sec
C). Power - Newton-metre
D). Unit of force - Newton

Answer: Unit of force - Newton


   
1088). A car is moving on a road when rain is falling vertically downwards. Rain will strike
A). the front screen only
B). the rear screen only
C). both the screens
D). none of these screens

Answer: the front screen only


   
1089). A body when immersed in a liquid, experiences an upward thrust equal to the weight of the liquid displayed by it. This is
A). Newton's law of motion
B). Dulong and petit's law
C). Law of floatation
D). Archimedes principle

Answer: Archimedes principle


   
1090). Hydraulic brakes in automobiles work on
A). Bemoulli's principle
B). Roiseuille's principle
C). Pascal's principle
D). Archimede's principle

Answer: Pascal's principle