GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 123

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 123

1221). The volume of water is minimum at
A). 0°C
B). 23°C
C). 4°C
D). 100°C

Answer: 4°C


   
1222). With the help of histogram one can prepare
A). frequency polygon
B). frequency curve
C). frequency distribution
D). all of these

Answer: all of these


   
1223). Among the following polymers, the strongest molecular forces are present in
A). Elastomers
B). Natural fibres
C). Thermoplastic polymers
D). Thermosetting polymers

Answer: Thermosetting polymers


   
1224). An optical path d1fference of λ/2 is equal to a phase difference of
A). 2π
B). 3π
C). π
D). π/2

Answer: π/2



   
1225). __________ is used to find the depth of the sea.
A). Spectrometer
B). Spherometer
C). Fathometer
D). Ammeter

Answer: Fathometer



1226). TTL is
A). Transistor-Transistor Logic
B). Transmission-Transmission Logic
C). Transistor-Transmission Logic
D). none of these

Answer: Transistor-Transistor Logic


   
1227). Consider the following statements : Assertion (A) : The structure of the interior of the Earth is deduced with the help of seismic waves. 
Reason (R) : The 's' waves travel in solid, liquid and air while 'p' waves travel only in solid. 
Now select your answer according to the coding scheme given below :
A). Both (A) and (R) are true and (R) is the correct explanation of (A)
B). Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C). (A) is true, but (R) is false
D). (A) is false, but (R) is true

Answer: (A) is true, but (R) is false

   
1228). The electric charge for electrode deposition of 1 gram equivalent of a substance is
A). 1 ampere per second
B). 96,500 coulomb per second
C). 1 ampere per one hour
D). charge on one mole of electrons

Answer: charge on one mole of electrons


   
1229). For short sight, we use
A). concave lens
B). convex lens
C). glass plate
D). prism

Answer: concave lens


   
1230). A tunnel is dug from one end to the other end of the earth through its centre. If a stone is dropped in it, it
A). executes SHM
B). comes out from the other end
C). stops at the centre
D). stops at some distance

Answer: stops at the centre