GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 111

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 111

1101). In a dry cell the positive electrode is

A). zinc

B). carbon

C). copper

D). pbo2

Answer: carbon

   

1102). The colour which deviates maximum during the dispersion is

A). red

B). green

C). blue

D). violet

Answer: violet

   

1103). In the freezing mixture, the ratio of ice and salt lower the temperature to -l3° C is

A). 0.04375

B). 8.40277777777778E-02

C). 0.125694444444444

D). 4.30555555555556E-02

Answer: 0.125694444444444

   

1104). Which of the following is not electromagnetic in nature?

A). Alpha rays

B). X-rays

C). Gamma rays

D). UV rays

Answer: Alpha rays

   

1105). The molecular range is of the order of

A). 10^8 cm

B). 10^-8 cm

C). 10^8 m

D). 10^-8 m

Answer: 10^-8 cm

1106). calculate the amount of work done in drawing a bucket of water weighing 5 kg from a well of depth 10 metre.(g = 9.8 ms^-2)

A). 4.90 joule

B). 49 joule

C). 490 joule

D). 98 joule

Answer: 490 joule

   

1107). Recording of sound on tapes was first invented by

A). Fleming

B). Ampere

C). Poulsen

D). Becquerel

Answer: Poulsen

   

1108). The scientist two first successfully converted magnetic energy into electric energy is

A). Ampere

B). Faraday

C). Fleming

D). Oersted

Answer: Faraday

   

1109). The rays which are not deflected by electric fields are

A). Alpha rays

B). beta rays

C). Gamma rays

D). Positive rays

Answer: Gamma rays

   

1110). Radio cobalt is used

A). to treat the cancer

B). to produce nuclear fission

C). to produce nuclear fusion

D). to study the atomic structure

Answer: to treat the cancer