GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 142

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 142

1411). Pick out the correct statement from the following Action and Reaction
A). Act on two different objects
B). Have equal magnitude
C). Have opposite direction
D). Resultant is NOT zero

Answer: Resultant is NOT zero


    
1412). Assertion (A): Egg heaters have long handles.
Reason (R): To produce large turning effect with small force.
A). A is correct and R also correct explanation of A
B). A is correct and R is wrong explanation of A
C). A is wrong and R is correct
D). Both A and R are wrong

Answer: A is correct and R also correct explanation of A


    
1413). Match the following:
List - I                                                                                   List - ll
a) Traffic control vehicles                                             1) Ohm's law
b) Relation between current and potential difference      2) Joule's law
c) Electric Iron Box                                                      3) Rayleigh law
d) Rainbow                                                                 4) Doppler's effect

Codes:
a b c d
A). 4 1 2 3
B). 2 3 1 4
C). 3 4 2 1
D). 4 2 1 3

Answer:  4 1 2 3

1414). Capillarity of a liquid is due to
A). its elastic property
B). gravity
C). its surface tension
D). its mass

Answer: its surface tension


    
1415). Consider the following statements: 

Assertion (A): One cannot hear any sound in space. 

Reason (R): In the absence of medium, no sound waves can travel
A). Both (A) and (R) are individually true but (R) is not a correct explanation of (A)
B). Both (A) and (R) are individually true but (R) is the correct explanation of (A)
C). (A) is true but (R) is false
D). (A) is false but (R) is true

Answer: Both (A) and (R) are individually true but (R) is the correct explanation of (A)



1416). Which of these spectral line series lie in the near infrared region of spectrum?
A). Lyman
B). Balmer
C). Paschen
D). Pfund

Answer: Paschen


    
1417). Match the following:
Technology                             Scientific Principles
a) Aeroplane                1) Newton's Law
b) Air Balloon               2) Bernoulli's Principle
c) Rocket                     3) Law of thermo dynamics
d) Steam Engine          4) Buoyant Force

Codes:
a b c d
A). 1 3 2 4
B). 3 1 4 2
C). 4 2 3 1
D). 2 4 1 3

Answer: 2 4 1 3


    
1418). Which of the following are correct?
I) Work = Force x Displacement
II) Power = Work / Time
III)Force = Mass x Velocity
IV) Acceleration = Velocity/Time
A). I,II and III
B). II, III and IV
C). I, Ill and IV
D). I, II and IV

Answer: I, II and IV


    
1419). Why the wings of an aeroplane are shaped with lower surface being flat and the upper surface being curved?
A). To reduce vibration
B). To make difference in pressure to lift the plane vertically
C). To accommodate more passengers in the wing
D). To strengthen the wheels fitted in wings

Answer: To make difference in pressure to lift the plane vertically


    
1420). Match the following:
Famous Indian Scientist                Their Contribution
a) C.V.Raman                      1) Ultra Short Radio Waves
b) J.C.Bose                          2) Thermal Ionization
c) M.N. Saha                        3) Quantum Statistics
d) SN. Bose                         4) Inelastic Scattering of Light

Codes:
a b c d
A). 1 2 3 4
B). 2 3 4 1
C). 3 4 1 2
D). 4 1 2 3

Answer: 4 1 2 3