I. It is a rapid, constant and irregular motion of tiny particles.
II. It gives evidence that tiny particles of matter called molecules exist.
III. It takes place only in gases.
IV. It gives evidence that molecules are in a constant state of random motion.

Which of the combinations above is correct about Brownian notion?

Similar Questions

23Na + X → 20F + 4He1192 What particle is X in the reaction above?...

A solid plastic cube of side 0.2m is submerged in a liquid density of 0.8kg$m^{-3}$. Calculate the...

Which of the following units is equivalent to kgms-1?...

A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on ...

A car moves with an initial velocity of 25 ms-1 and reaches a velocity of 45 ms-1 in 10s. what is th...

The blade of a hoe feel colder to touch in the morning than the wooden handle because the ...

A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain after 72 day...

Heat is supplied uniformly at the rate of 100W to 1.0 x 10-2kg of a liquid for 20 seconds. If the te...

Which of the following statements about a straight current-carrying wire placed in a uniform magneti...

The instrument used to view stars is the ...