GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 133

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 133

1321). Magnetic effect of current was discovered by
A). Faraday
B). Fleming
C). Oersted
D). Ampere

Answer: Oersted

   
1322). The isomer of BHC which has insecticidal property is
A). α - isomer
B). β - isomer
C). γ - isomer
D). δ - isomer

Answer: γ - isomer


   
1323). Consider the following statements and select your answer:
l. Reciprocal of Young's modulus is compressibility
ll. Reciprocal of viscosity is fluidity
A). Both I and II are correct
B). l False but II correct
C). I correct but II false
D). Both I and II incorrect

Answer: l False but II correct

   
1324). The colour of a star is an indication of its
A). Distance from the sun
B). Luminosity
C). Distance from the earth
D). Temperature

Answer: Temperature

   
1325). Match List - I and List - II correctly and select your answer using the codes given below:
List - I                                    List - II
a) Seismograph           1) instrument for recording thunder and lightning
b) Lactometer             2) inside the brain record electrical activity of neurons
c) Encephalogram       3) measure the intensity of earthquake
d) Ceraunoqranh        4) measure purity of milk

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

Answer: 3 4 2 1

   
  
1326). Which one of the following is used in the working of speedometers in automobiles?
A). Direct current
B). Eddy current
C). Wattless current
D). Thermoelectric current

Answer: Eddy current

   
1327). The pressure on a swimmer 10 m below the surface of the lake
a) increases b) decreases c) does not change
A). (a) alone is correct
B). (b) alone is correct
C). both (a) and (c) are correct
D). both (b) and (c) are correct

Answer: (a) alone is correct


   
1328). Choose which is incorrectly matched
A). Surface tension - Nm^−1
B). Linear density - Kgm^−3
C). Angular Velocity - rads^−1
D). Pressure - Nm^−2

Answer: Linear density - Kgm^−3



   
1329). Choose the correct answer.
“The time taken by light to come from the sun
A). 18 minutes 20 sec
B). 8 minutes 20 sec
C). 20 sec
D). 8 sec

Answer: 8 minutes 20 sec