The action of a nib split at the top is explained by - Vidyadip

MCQ

The action of a nib split at the top is explained by

A
Gravity flow
B
Diffusion of fluid
✓
Capillary action
D
Osmosis of liquid

✓

Answer

Correct option: C.

Capillary action

c
(c) The tip of nib of a writing pen is split to provide the capillary action.

Due to capillarity, ink will rise in the split of nib and allows the pen to write continuously.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 9.2 , surface tension→9.2 , surface tension — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

To a person, going eastward in a car with a velocity of $25\, km/hr$, a train appears to move towards north with a velocity of $25\sqrt 3 $ $km/hr$. The actual velocity of the train will be..........$km/hr$

Avessel with open mouth contains air at $60^oC$. When the vessel is heated upto temperature $T$, one fourth of the air goes out. The value of $T$ is ..... $^oC$

The extension in a string, obeying Hooke's law, is $x$. The speed of sound in the stretched string is $v$. If the extension in the string is increased to $1.5x$, the speed of sound will be

An angular impulse of $20 \,Nms$ is applied to a hollow cylinder of mass $2 \,kg$ and radius $20 \,cm$. The change in its angular speed is ............. $rad / s$

A $60\; HP$ electric motor lifts an elevator having a maximum total load capacity of $2000\; \mathrm{kg}$. If the frictional force on the elevator is $4000 \;\mathrm{N}$. the speed of the elevator at full load is close to .............. $\mathrm{m} / \mathrm{s}$

$\left(1 \;\mathrm{HP}=746 \;\mathrm{W}, \mathrm{g}=10\; \mathrm{ms}^{-2}\right)$

Select the incorrect statement about Maxwell's speed distribution

The kinetic energy force on the particle continuously increases with time.

Two non-reactive monoatomic ideal gases have their atomic masses in the ratio $2: 3$. The ratio of their partial pressures, when enclosed in a vessel kept at a constant temperature, is $4: 3$. The ratio of their densities is:

The speed of sound in air at a given temperature is $350 m/s$. An engine blows whistle at a frequency of $1200 \,cps$. It is approaching the observer with velocity $50 m/s$. The apparent frequency in cps heard by the observer will be

An earth satellite $S$ has an orbit radius which is $4$ times that of a communication satellite $C$. The period of revolution of $S$ is ........ $days$