Question 1

What is the cause of Brownian motion?

Accepted Answer

Collisions of particles with the fluid molecules

Answer

Random motion of particles

Answer

Gravity

Answer

Electromagnetic forces between particles

Question 2

What is the characteristic feature of Brownian motion?

Accepted Answer

Random movement

Answer

Linear movement

Answer

Uniform movement

Answer

Circular movement

Question 3

What is the effect of increasing temperature on Brownian motion?

Accepted Answer

It increases the speed and intensity of the motion

Answer

It changes the direction of the motion

Answer

It has no effect on the motion

Answer

It decreases the speed and intensity of the motion

Question 4

What is the size of the particles involved in Brownian motion?

Accepted Answer

Microscopic

Answer

Gigantic

Answer

Macroscopic

Answer

Nanoscopic

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