Discussion :: Physics
- A fountain pen works on the principle of
|
A.
Flow of liquids from higher to lower potential |
|
B.
Capillary action |
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C.
Bernoulli's principle |
|
D.
Viscosity of liquids |
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Answer : Option B
Explanation :
A fountain pen is a nib pen that, unlike its predecessor, the dip pen, contains an internal reservoir of liquid ink. The pen draws ink from the reservoir through a feed to the nib and deposits it on paper via a combination of gravity and capillary action.
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