Science-Tech

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Optical fibre works on the principle of.........

Refraction
no
Scattering
no
Interference
no
Total internal reflection
yes
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If a magnet has a third pole, then the third pole is called..........

Defective pole
no
Consequent pole
yes
Extra pole
no
Arbitrary pole
no
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Vitamin A is rich in.........

Carrot
yes
Lime
no
Beans
no
Rice
no
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Carbon dating method is used to determine the age of.........
Rocks
no
Fossils
yes
Trees
no
Ancient monuments
no
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18 carat gold signifies........
18 parts of gold and 82 parts of other metal
no
18 parts of gold and 6 parts of other metal
yes
82 parts of gold and 18 parts of other metal
no
None of the above
no
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