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

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]
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]


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