Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-15

Questions

71 Which colour of light shows maximum deviation when passed through a prism ?

A Yellow

B Violet

C Green

D Red

Answer: Option [B]

72 Pure water is poor conductor of electricity because it is

A a non-polar solvent

B a very good solvent

C not volatile

D feebly ionized

Answer: Option [D]

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73 The filament of electric bulb is made up of :

A Copper

B Lead

C Tungsten

D None of the above

Answer: Option [C]

74 The device which transfer the signal from low resistance region to high resistance region

A transistor

B capacitor

C inductor

D All of the above

Answer: Option [A]

75 When a detergent is added to pure water, its surface tension

A increases

B decreases

C becomes infinite

D remains constant

Answer: Option [B]