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EVALUATION

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motion is the movement of of a substance e.g. a gas or a .
The particles are in a constant random motion.

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SCORM Quiz

Question

In the figure below, this type of motion is called?

Answers

Normal motion

Brownian motion

Particles motion

Question

State the function of converging lens in a smoke cell experiment?

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To focus the light to the smoke cell

To see the particles clearly

To produce light

Question

State the function of microscope in a smoke cell experiment?

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To see the particles clearly

To produce light

To focus the light to the smoke cell

Question

Seen in a microscope during a Brownian motion experiment are ‘”bright specks”.

(ii) State the behaviour of these “bright specks”                                                                   

     

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They move randomly

They move uniformly

They move in one direction

Question

Seen in a microscope during a Brownian motion experiment are ‘”bright specks”.

(i) What are these “bright specks?”    


Answers

Air particles 

smoke particles

Water particles 

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